diff --git a/java-cloudbuild/README.md b/java-cloudbuild/README.md
index b6818bcf8fcb..e1bf318e8385 100644
--- a/java-cloudbuild/README.md
+++ b/java-cloudbuild/README.md
@@ -42,20 +42,20 @@ If you are using Maven without the BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-build</artifactId>
-  <version>3.57.0</version>
+  <version>3.58.0</version>
 </dependency>
 ```
 
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-build:3.57.0'
+implementation 'com.google.cloud:google-cloud-build:3.58.0'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-build" % "3.57.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-build" % "3.58.0"
 ```
 
 ## Authentication
@@ -194,7 +194,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java11.html
 [stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-build.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-build/3.57.0
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-build/3.58.0
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles
diff --git a/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOptions.java b/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOptions.java
index 5e80bbf91175..875663f6eb73 100644
--- a/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOptions.java
+++ b/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOptions.java
@@ -2624,6 +2624,26 @@ public int getDefaultLogsBucketBehaviorValue() {
         : result;
   }
 
+  public static final int ENABLE_STRUCTURED_LOGGING_FIELD_NUMBER = 23;
+  private boolean enableStructuredLogging_ = false;
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Option to specify whether structured logging is enabled.
+   *
+   * If true, JSON-formatted logs are parsed as structured logs.
+   * </pre>
+   *
+   * <code>bool enable_structured_logging = 23 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The enableStructuredLogging.
+   */
+  @java.lang.Override
+  public boolean getEnableStructuredLogging() {
+    return enableStructuredLogging_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -2695,6 +2715,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (automapSubstitutions_ != false) {
       output.writeBool(22, automapSubstitutions_);
     }
+    if (enableStructuredLogging_ != false) {
+      output.writeBool(23, enableStructuredLogging_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -2777,6 +2800,9 @@ public int getSerializedSize() {
     if (automapSubstitutions_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(22, automapSubstitutions_);
     }
+    if (enableStructuredLogging_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(23, enableStructuredLogging_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -2810,6 +2836,7 @@ public boolean equals(final java.lang.Object obj) {
     if (!getSecretEnvList().equals(other.getSecretEnvList())) return false;
     if (!getVolumesList().equals(other.getVolumesList())) return false;
     if (defaultLogsBucketBehavior_ != other.defaultLogsBucketBehavior_) return false;
+    if (getEnableStructuredLogging() != other.getEnableStructuredLogging()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -2861,6 +2888,8 @@ public int hashCode() {
     }
     hash = (37 * hash) + DEFAULT_LOGS_BUCKET_BEHAVIOR_FIELD_NUMBER;
     hash = (53 * hash) + defaultLogsBucketBehavior_;
+    hash = (37 * hash) + ENABLE_STRUCTURED_LOGGING_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnableStructuredLogging());
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -3035,6 +3064,7 @@ public Builder clear() {
       }
       bitField0_ = (bitField0_ & ~0x00002000);
       defaultLogsBucketBehavior_ = 0;
+      enableStructuredLogging_ = false;
       return this;
     }
 
@@ -3132,6 +3162,9 @@ private void buildPartial0(com.google.cloudbuild.v1.BuildOptions result) {
       if (((from_bitField0_ & 0x00004000) != 0)) {
         result.defaultLogsBucketBehavior_ = defaultLogsBucketBehavior_;
       }
+      if (((from_bitField0_ & 0x00008000) != 0)) {
+        result.enableStructuredLogging_ = enableStructuredLogging_;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -3272,6 +3305,9 @@ public Builder mergeFrom(com.google.cloudbuild.v1.BuildOptions other) {
       if (other.defaultLogsBucketBehavior_ != 0) {
         setDefaultLogsBucketBehaviorValue(other.getDefaultLogsBucketBehaviorValue());
       }
+      if (other.getEnableStructuredLogging() != false) {
+        setEnableStructuredLogging(other.getEnableStructuredLogging());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -3409,6 +3445,12 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000040;
                 break;
               } // case 176
+            case 184:
+              {
+                enableStructuredLogging_ = input.readBool();
+                bitField0_ |= 0x00008000;
+                break;
+              } // case 184
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -5741,6 +5783,65 @@ public Builder clearDefaultLogsBucketBehavior() {
       return this;
     }
 
+    private boolean enableStructuredLogging_;
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Option to specify whether structured logging is enabled.
+     *
+     * If true, JSON-formatted logs are parsed as structured logs.
+     * </pre>
+     *
+     * <code>bool enable_structured_logging = 23 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return The enableStructuredLogging.
+     */
+    @java.lang.Override
+    public boolean getEnableStructuredLogging() {
+      return enableStructuredLogging_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Option to specify whether structured logging is enabled.
+     *
+     * If true, JSON-formatted logs are parsed as structured logs.
+     * </pre>
+     *
+     * <code>bool enable_structured_logging = 23 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @param value The enableStructuredLogging to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnableStructuredLogging(boolean value) {
+
+      enableStructuredLogging_ = value;
+      bitField0_ |= 0x00008000;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Optional. Option to specify whether structured logging is enabled.
+     *
+     * If true, JSON-formatted logs are parsed as structured logs.
+     * </pre>
+     *
+     * <code>bool enable_structured_logging = 23 [(.google.api.field_behavior) = OPTIONAL];</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEnableStructuredLogging() {
+      bitField0_ = (bitField0_ & ~0x00008000);
+      enableStructuredLogging_ = false;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOptionsOrBuilder.java b/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOptionsOrBuilder.java
index d66ff18ac95c..675fe8fba56a 100644
--- a/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOptionsOrBuilder.java
+++ b/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/BuildOptionsOrBuilder.java
@@ -616,4 +616,19 @@ public interface BuildOptionsOrBuilder
    * @return The defaultLogsBucketBehavior.
    */
   com.google.cloudbuild.v1.BuildOptions.DefaultLogsBucketBehavior getDefaultLogsBucketBehavior();
+
+  /**
+   *
+   *
+   * <pre>
+   * Optional. Option to specify whether structured logging is enabled.
+   *
+   * If true, JSON-formatted logs are parsed as structured logs.
+   * </pre>
+   *
+   * <code>bool enable_structured_logging = 23 [(.google.api.field_behavior) = OPTIONAL];</code>
+   *
+   * @return The enableStructuredLogging.
+   */
+  boolean getEnableStructuredLogging();
 }
diff --git a/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java b/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java
index 7737c1acc501..d0c5f685ba5f 100644
--- a/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java
+++ b/java-cloudbuild/proto-google-cloud-build-v1/src/main/java/com/google/cloudbuild/v1/Cloudbuild.java
@@ -742,7 +742,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\027\n\ntrigger_id\030\002 \001(\tB\003\340A\002\022A\n\007trigger\030\003 \001("
           + "\0132+.google.devtools.cloudbuild.v1.BuildT"
           + "riggerB\003\340A\002\022/\n\013update_mask\030\005 \001(\0132\032.googl"
-          + "e.protobuf.FieldMask\"\372\013\n\014BuildOptions\022L\n"
+          + "e.protobuf.FieldMask\"\242\014\n\014BuildOptions\022L\n"
           + "\026source_provenance_hash\030\001 \003(\0162,.google.d"
           + "evtools.cloudbuild.v1.Hash.HashType\022Y\n\027r"
           + "equested_verify_option\030\002 \001(\01628.google.de"
@@ -765,7 +765,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "loudbuild.v1.Volume\022p\n\034default_logs_buck"
           + "et_behavior\030\025 \001(\0162E.google.devtools.clou"
           + "dbuild.v1.BuildOptions.DefaultLogsBucket"
-          + "BehaviorB\003\340A\001\032E\n\nPoolOption\0227\n\004name\030\001 \001("
+          + "BehaviorB\003\340A\001\022&\n\031enable_structured_loggi"
+          + "ng\030\027 \001(\010B\003\340A\001\032E\n\nPoolOption\0227\n\004name\030\001 \001("
           + "\tB)\372A&\n$cloudbuild.googleapis.com/Worker"
           + "Pool\".\n\014VerifyOption\022\020\n\014NOT_VERIFIED\020\000\022\014"
           + "\n\010VERIFIED\020\001\"w\n\013MachineType\022\017\n\013UNSPECIFI"
@@ -779,9 +780,9 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "_ONLY\020\002\022\030\n\020STACKDRIVER_ONLY\020\003\032\002\010\001\022\026\n\022CLO"
           + "UD_LOGGING_ONLY\020\005\022\010\n\004NONE\020\004\"|\n\031DefaultLo"
           + "gsBucketBehavior\022,\n(DEFAULT_LOGS_BUCKET_"
-          + "BEHAVIOR_UNSPECIFIED\020\000\022\036\n\032REGIONAL_USER_"
-          + "OWNED_BUCKET\020\001\022\021\n\rLEGACY_BUCKET\020\002\"\205\001\n\034Re",
-      "ceiveTriggerWebhookRequest\022\014\n\004name\030\005 \001(\t"
+          + "BEHAVIOR_UNSPECIFIED\020\000\022\036\n\032REGIONAL_USER_",
+      "OWNED_BUCKET\020\001\022\021\n\rLEGACY_BUCKET\020\002\"\205\001\n\034Re"
+          + "ceiveTriggerWebhookRequest\022\014\n\004name\030\005 \001(\t"
           + "\022\"\n\004body\030\001 \001(\0132\024.google.api.HttpBody\022\022\n\n"
           + "project_id\030\002 \001(\t\022\017\n\007trigger\030\003 \001(\t\022\016\n\006sec"
           + "ret\030\004 \001(\t\"\037\n\035ReceiveTriggerWebhookRespon"
@@ -1723,6 +1724,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "SecretEnv",
               "Volumes",
               "DefaultLogsBucketBehavior",
+              "EnableStructuredLogging",
             });
     internal_static_google_devtools_cloudbuild_v1_BuildOptions_PoolOption_descriptor =
         internal_static_google_devtools_cloudbuild_v1_BuildOptions_descriptor
diff --git a/java-cloudbuild/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto b/java-cloudbuild/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto
index 7c69fa7a8be2..efe98627bbe4 100644
--- a/java-cloudbuild/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto
+++ b/java-cloudbuild/proto-google-cloud-build-v1/src/main/proto/google/devtools/cloudbuild/v1/cloudbuild.proto
@@ -2388,6 +2388,11 @@ message BuildOptions {
   // Optional. Option to specify how default logs buckets are setup.
   DefaultLogsBucketBehavior default_logs_bucket_behavior = 21
       [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Option to specify whether structured logging is enabled.
+  //
+  // If true, JSON-formatted logs are parsed as structured logs.
+  bool enable_structured_logging = 23 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // ReceiveTriggerWebhookRequest [Experimental] is the request object accepted by
diff --git a/java-tpu/README.md b/java-tpu/README.md
index a0bfb9f12799..270c3f71ea57 100644
--- a/java-tpu/README.md
+++ b/java-tpu/README.md
@@ -42,20 +42,20 @@ If you are using Maven without the BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-tpu</artifactId>
-  <version>2.56.0</version>
+  <version>2.57.0</version>
 </dependency>
 ```
 
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-tpu:2.56.0'
+implementation 'com.google.cloud:google-cloud-tpu:2.57.0'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-tpu" % "2.56.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-tpu" % "2.57.0"
 ```
 
 ## Authentication
@@ -194,7 +194,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/java11.html
 [stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-tpu.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-tpu/2.56.0
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-tpu/2.57.0
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles
diff --git a/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/CloudTpuProto.java b/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/CloudTpuProto.java
index 649e62dc0e0f..48e9c8407159 100644
--- a/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/CloudTpuProto.java
+++ b/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/CloudTpuProto.java
@@ -133,7 +133,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "ions.proto\032\037google/protobuf/timestamp.pr"
           + "oto\"9\n\020SchedulingConfig\022\023\n\013preemptible\030\001"
           + " \001(\010\022\020\n\010reserved\030\002 \001(\010\"3\n\017NetworkEndpoin"
-          + "t\022\022\n\nip_address\030\001 \001(\t\022\014\n\004port\030\002 \001(\005\"\264\n\n\004"
+          + "t\022\022\n\nip_address\030\001 \001(\t\022\014\n\004port\030\002 \001(\005\"\301\n\n\004"
           + "Node\022\024\n\004name\030\001 \001(\tB\006\340A\005\340A\003\022\023\n\013descriptio"
           + "n\030\003 \001(\t\022\035\n\020accelerator_type\030\005 \001(\tB\003\340A\002\022\026"
           + "\n\nip_address\030\010 \001(\tB\002\030\001\022\020\n\004port\030\016 \001(\tB\002\030\001"
@@ -153,131 +153,132 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "_version\030& \001(\0162$.google.cloud.tpu.v1.Nod"
           + "e.ApiVersionB\003\340A\003\0223\n\010symptoms\030\' \003(\0132\034.go"
           + "ogle.cloud.tpu.v1.SymptomB\003\340A\003\032-\n\013Labels"
-          + "Entry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\341\001"
+          + "Entry\022\013\n\003key\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\356\001"
           + "\n\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022\014\n\010CREATI"
           + "NG\020\001\022\t\n\005READY\020\002\022\016\n\nRESTARTING\020\003\022\r\n\tREIMA"
           + "GING\020\004\022\014\n\010DELETING\020\005\022\r\n\tREPAIRING\020\006\022\013\n\007S"
           + "TOPPED\020\010\022\014\n\010STOPPING\020\t\022\014\n\010STARTING\020\n\022\r\n\t"
           + "PREEMPTED\020\013\022\016\n\nTERMINATED\020\014\022\n\n\006HIDING\020\r\022"
-          + "\n\n\006HIDDEN\020\016\022\014\n\010UNHIDING\020\017\"\211\001\n\006Health\022\026\n\022"
-          + "HEALTH_UNSPECIFIED\020\000\022\013\n\007HEALTHY\020\001\022\030\n\024DEP"
-          + "RECATED_UNHEALTHY\020\002\022\013\n\007TIMEOUT\020\003\022\030\n\024UNHE"
-          + "ALTHY_TENSORFLOW\020\004\022\031\n\025UNHEALTHY_MAINTENA"
-          + "NCE\020\005\"O\n\nApiVersion\022\033\n\027API_VERSION_UNSPE"
-          + "CIFIED\020\000\022\r\n\tV1_ALPHA1\020\001\022\006\n\002V1\020\002\022\r\n\tV2_AL"
-          + "PHA1\020\003:R\352AO\n\027tpu.googleapis.com/Node\0224pr"
-          + "ojects/{project}/locations/{location}/no"
-          + "des/{node}\"j\n\020ListNodesRequest\022/\n\006parent"
-          + "\030\001 \001(\tB\037\340A\002\372A\031\022\027tpu.googleapis.com/Node\022"
-          + "\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030\003 \001(\t\"k"
-          + "\n\021ListNodesResponse\022(\n\005nodes\030\001 \003(\0132\031.goo"
-          + "gle.cloud.tpu.v1.Node\022\027\n\017next_page_token"
-          + "\030\002 \001(\t\022\023\n\013unreachable\030\003 \003(\t\"?\n\016GetNodeRe"
-          + "quest\022-\n\004name\030\001 \001(\tB\037\340A\002\372A\031\n\027tpu.googlea"
-          + "pis.com/Node\"\203\001\n\021CreateNodeRequest\022/\n\006pa"
-          + "rent\030\001 \001(\tB\037\340A\002\372A\031\022\027tpu.googleapis.com/N"
-          + "ode\022\017\n\007node_id\030\002 \001(\t\022,\n\004node\030\003 \001(\0132\031.goo"
-          + "gle.cloud.tpu.v1.NodeB\003\340A\002\"B\n\021DeleteNode"
-          + "Request\022-\n\004name\030\001 \001(\tB\037\340A\002\372A\031\n\027tpu.googl"
-          + "eapis.com/Node\">\n\022ReimageNodeRequest\022\014\n\004"
-          + "name\030\001 \001(\t\022\032\n\022tensorflow_version\030\002 \001(\t\"\037"
-          + "\n\017StopNodeRequest\022\014\n\004name\030\001 \001(\t\" \n\020Start"
-          + "NodeRequest\022\014\n\004name\030\001 \001(\t\"\257\001\n\021TensorFlow"
-          + "Version\022\014\n\004name\030\001 \001(\t\022\017\n\007version\030\002 \001(\t:{"
-          + "\352Ax\n$tpu.googleapis.com/TensorFlowVersio"
-          + "n\022Pprojects/{project}/locations/{locatio"
-          + "n}/tensorFlowVersions/{tensor_flow_versi"
-          + "on}\"Y\n\033GetTensorFlowVersionRequest\022:\n\004na"
-          + "me\030\001 \001(\tB,\340A\002\372A&\n$tpu.googleapis.com/Ten"
-          + "sorFlowVersion\"\246\001\n\035ListTensorFlowVersion"
-          + "sRequest\022<\n\006parent\030\001 \001(\tB,\340A\002\372A&\n$tpu.go"
-          + "ogleapis.com/TensorFlowVersion\022\021\n\tpage_s"
-          + "ize\030\002 \001(\005\022\022\n\npage_token\030\003 \001(\t\022\016\n\006filter\030"
-          + "\005 \001(\t\022\020\n\010order_by\030\006 \001(\t\"\223\001\n\036ListTensorFl"
-          + "owVersionsResponse\022C\n\023tensorflow_version"
-          + "s\030\001 \003(\0132&.google.cloud.tpu.v1.TensorFlow"
-          + "Version\022\027\n\017next_page_token\030\002 \001(\t\022\023\n\013unre"
-          + "achable\030\003 \003(\t\"\243\001\n\017AcceleratorType\022\014\n\004nam"
-          + "e\030\001 \001(\t\022\014\n\004type\030\002 \001(\t:t\352Aq\n\"tpu.googleap"
-          + "is.com/AcceleratorType\022Kprojects/{projec"
-          + "t}/locations/{location}/acceleratorTypes"
-          + "/{accelerator_type}\"U\n\031GetAcceleratorTyp"
-          + "eRequest\0228\n\004name\030\001 \001(\tB*\340A\002\372A$\n\"tpu.goog"
-          + "leapis.com/AcceleratorType\"\242\001\n\033ListAccel"
-          + "eratorTypesRequest\022:\n\006parent\030\001 \001(\tB*\340A\002\372"
-          + "A$\n\"tpu.googleapis.com/AcceleratorType\022\021"
-          + "\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030\003 \001(\t\022\016\n"
-          + "\006filter\030\005 \001(\t\022\020\n\010order_by\030\006 \001(\t\"\215\001\n\034List"
-          + "AcceleratorTypesResponse\022?\n\021accelerator_"
-          + "types\030\001 \003(\0132$.google.cloud.tpu.v1.Accele"
-          + "ratorType\022\027\n\017next_page_token\030\002 \001(\t\022\023\n\013un"
-          + "reachable\030\003 \003(\t\"\326\001\n\021OperationMetadata\022/\n"
-          + "\013create_time\030\001 \001(\0132\032.google.protobuf.Tim"
-          + "estamp\022,\n\010end_time\030\002 \001(\0132\032.google.protob"
-          + "uf.Timestamp\022\016\n\006target\030\003 \001(\t\022\014\n\004verb\030\004 \001"
-          + "(\t\022\025\n\rstatus_detail\030\005 \001(\t\022\030\n\020cancel_requ"
-          + "ested\030\006 \001(\010\022\023\n\013api_version\030\007 \001(\t\"\305\002\n\007Sym"
-          + "ptom\022/\n\013create_time\030\001 \001(\0132\032.google.proto"
-          + "buf.Timestamp\022>\n\014symptom_type\030\002 \001(\0162(.go"
-          + "ogle.cloud.tpu.v1.Symptom.SymptomType\022\017\n"
-          + "\007details\030\003 \001(\t\022\021\n\tworker_id\030\004 \001(\t\"\244\001\n\013Sy"
-          + "mptomType\022\034\n\030SYMPTOM_TYPE_UNSPECIFIED\020\000\022"
-          + "\016\n\nLOW_MEMORY\020\001\022\021\n\rOUT_OF_MEMORY\020\002\022\025\n\021EX"
-          + "ECUTE_TIMED_OUT\020\003\022\023\n\017MESH_BUILD_FAIL\020\004\022\025"
-          + "\n\021HBM_OUT_OF_MEMORY\020\005\022\021\n\rPROJECT_ABUSE\020\006"
-          + "2\336\017\n\003Tpu\022\226\001\n\tListNodes\022%.google.cloud.tp"
-          + "u.v1.ListNodesRequest\032&.google.cloud.tpu"
-          + ".v1.ListNodesResponse\":\332A\006parent\202\323\344\223\002+\022)"
-          + "/v1/{parent=projects/*/locations/*}/node"
-          + "s\022\203\001\n\007GetNode\022#.google.cloud.tpu.v1.GetN"
-          + "odeRequest\032\031.google.cloud.tpu.v1.Node\"8\332"
-          + "A\004name\202\323\344\223\002+\022)/v1/{name=projects/*/locat"
-          + "ions/*/nodes/*}\022\276\001\n\nCreateNode\022&.google."
-          + "cloud.tpu.v1.CreateNodeRequest\032\035.google."
-          + "longrunning.Operation\"i\312A\031\n\004Node\022\021Operat"
-          + "ionMetadata\332A\023parent,node,node_id\202\323\344\223\0021\""
-          + ")/v1/{parent=projects/*/locations/*}/nod"
-          + "es:\004node\022\251\001\n\nDeleteNode\022&.google.cloud.t"
-          + "pu.v1.DeleteNodeRequest\032\035.google.longrun"
-          + "ning.Operation\"T\312A\031\n\004Node\022\021OperationMeta"
-          + "data\332A\004name\202\323\344\223\002+*)/v1/{name=projects/*/"
-          + "locations/*/nodes/*}\022\257\001\n\013ReimageNode\022\'.g"
-          + "oogle.cloud.tpu.v1.ReimageNodeRequest\032\035."
-          + "google.longrunning.Operation\"X\312A\031\n\004Node\022"
-          + "\021OperationMetadata\202\323\344\223\0026\"1/v1/{name=proj"
-          + "ects/*/locations/*/nodes/*}:reimage:\001*\022\246"
-          + "\001\n\010StopNode\022$.google.cloud.tpu.v1.StopNo"
-          + "deRequest\032\035.google.longrunning.Operation"
-          + "\"U\312A\031\n\004Node\022\021OperationMetadata\202\323\344\223\0023\"./v"
-          + "1/{name=projects/*/locations/*/nodes/*}:"
-          + "stop:\001*\022\251\001\n\tStartNode\022%.google.cloud.tpu"
-          + ".v1.StartNodeRequest\032\035.google.longrunnin"
-          + "g.Operation\"V\312A\031\n\004Node\022\021OperationMetadat"
-          + "a\202\323\344\223\0024\"//v1/{name=projects/*/locations/"
-          + "*/nodes/*}:start:\001*\022\312\001\n\026ListTensorFlowVe"
-          + "rsions\0222.google.cloud.tpu.v1.ListTensorF"
-          + "lowVersionsRequest\0323.google.cloud.tpu.v1"
-          + ".ListTensorFlowVersionsResponse\"G\332A\006pare"
-          + "nt\202\323\344\223\0028\0226/v1/{parent=projects/*/locatio"
-          + "ns/*}/tensorflowVersions\022\267\001\n\024GetTensorFl"
-          + "owVersion\0220.google.cloud.tpu.v1.GetTenso"
-          + "rFlowVersionRequest\032&.google.cloud.tpu.v"
-          + "1.TensorFlowVersion\"E\332A\004name\202\323\344\223\0028\0226/v1/"
-          + "{name=projects/*/locations/*/tensorflowV"
-          + "ersions/*}\022\302\001\n\024ListAcceleratorTypes\0220.go"
-          + "ogle.cloud.tpu.v1.ListAcceleratorTypesRe"
-          + "quest\0321.google.cloud.tpu.v1.ListAccelera"
-          + "torTypesResponse\"E\332A\006parent\202\323\344\223\0026\0224/v1/{"
-          + "parent=projects/*/locations/*}/accelerat"
-          + "orTypes\022\257\001\n\022GetAcceleratorType\022..google."
-          + "cloud.tpu.v1.GetAcceleratorTypeRequest\032$"
-          + ".google.cloud.tpu.v1.AcceleratorType\"C\332A"
-          + "\004name\202\323\344\223\0026\0224/v1/{name=projects/*/locati"
-          + "ons/*/acceleratorTypes/*}\032F\312A\022tpu.google"
-          + "apis.com\322A.https://www.googleapis.com/au"
-          + "th/cloud-platformBU\n\027com.google.cloud.tp"
-          + "u.v1B\rCloudTpuProtoP\001Z)cloud.google.com/"
-          + "go/tpu/apiv1/tpupb;tpupbb\006proto3"
+          + "\n\n\006HIDDEN\020\016\022\014\n\010UNHIDING\020\017\022\013\n\007UNKNOWN\020\020\"\211"
+          + "\001\n\006Health\022\026\n\022HEALTH_UNSPECIFIED\020\000\022\013\n\007HEA"
+          + "LTHY\020\001\022\030\n\024DEPRECATED_UNHEALTHY\020\002\022\013\n\007TIME"
+          + "OUT\020\003\022\030\n\024UNHEALTHY_TENSORFLOW\020\004\022\031\n\025UNHEA"
+          + "LTHY_MAINTENANCE\020\005\"O\n\nApiVersion\022\033\n\027API_"
+          + "VERSION_UNSPECIFIED\020\000\022\r\n\tV1_ALPHA1\020\001\022\006\n\002"
+          + "V1\020\002\022\r\n\tV2_ALPHA1\020\003:R\352AO\n\027tpu.googleapis"
+          + ".com/Node\0224projects/{project}/locations/"
+          + "{location}/nodes/{node}\"j\n\020ListNodesRequ"
+          + "est\022/\n\006parent\030\001 \001(\tB\037\340A\002\372A\031\022\027tpu.googlea"
+          + "pis.com/Node\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_"
+          + "token\030\003 \001(\t\"k\n\021ListNodesResponse\022(\n\005node"
+          + "s\030\001 \003(\0132\031.google.cloud.tpu.v1.Node\022\027\n\017ne"
+          + "xt_page_token\030\002 \001(\t\022\023\n\013unreachable\030\003 \003(\t"
+          + "\"?\n\016GetNodeRequest\022-\n\004name\030\001 \001(\tB\037\340A\002\372A\031"
+          + "\n\027tpu.googleapis.com/Node\"\203\001\n\021CreateNode"
+          + "Request\022/\n\006parent\030\001 \001(\tB\037\340A\002\372A\031\022\027tpu.goo"
+          + "gleapis.com/Node\022\017\n\007node_id\030\002 \001(\t\022,\n\004nod"
+          + "e\030\003 \001(\0132\031.google.cloud.tpu.v1.NodeB\003\340A\002\""
+          + "B\n\021DeleteNodeRequest\022-\n\004name\030\001 \001(\tB\037\340A\002\372"
+          + "A\031\n\027tpu.googleapis.com/Node\">\n\022ReimageNo"
+          + "deRequest\022\014\n\004name\030\001 \001(\t\022\032\n\022tensorflow_ve"
+          + "rsion\030\002 \001(\t\"\037\n\017StopNodeRequest\022\014\n\004name\030\001"
+          + " \001(\t\" \n\020StartNodeRequest\022\014\n\004name\030\001 \001(\t\"\257"
+          + "\001\n\021TensorFlowVersion\022\014\n\004name\030\001 \001(\t\022\017\n\007ve"
+          + "rsion\030\002 \001(\t:{\352Ax\n$tpu.googleapis.com/Ten"
+          + "sorFlowVersion\022Pprojects/{project}/locat"
+          + "ions/{location}/tensorFlowVersions/{tens"
+          + "or_flow_version}\"Y\n\033GetTensorFlowVersion"
+          + "Request\022:\n\004name\030\001 \001(\tB,\340A\002\372A&\n$tpu.googl"
+          + "eapis.com/TensorFlowVersion\"\246\001\n\035ListTens"
+          + "orFlowVersionsRequest\022<\n\006parent\030\001 \001(\tB,\340"
+          + "A\002\372A&\n$tpu.googleapis.com/TensorFlowVers"
+          + "ion\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_token\030\003 \001"
+          + "(\t\022\016\n\006filter\030\005 \001(\t\022\020\n\010order_by\030\006 \001(\t\"\223\001\n"
+          + "\036ListTensorFlowVersionsResponse\022C\n\023tenso"
+          + "rflow_versions\030\001 \003(\0132&.google.cloud.tpu."
+          + "v1.TensorFlowVersion\022\027\n\017next_page_token\030"
+          + "\002 \001(\t\022\023\n\013unreachable\030\003 \003(\t\"\243\001\n\017Accelerat"
+          + "orType\022\014\n\004name\030\001 \001(\t\022\014\n\004type\030\002 \001(\t:t\352Aq\n"
+          + "\"tpu.googleapis.com/AcceleratorType\022Kpro"
+          + "jects/{project}/locations/{location}/acc"
+          + "eleratorTypes/{accelerator_type}\"U\n\031GetA"
+          + "cceleratorTypeRequest\0228\n\004name\030\001 \001(\tB*\340A\002"
+          + "\372A$\n\"tpu.googleapis.com/AcceleratorType\""
+          + "\242\001\n\033ListAcceleratorTypesRequest\022:\n\006paren"
+          + "t\030\001 \001(\tB*\340A\002\372A$\n\"tpu.googleapis.com/Acce"
+          + "leratorType\022\021\n\tpage_size\030\002 \001(\005\022\022\n\npage_t"
+          + "oken\030\003 \001(\t\022\016\n\006filter\030\005 \001(\t\022\020\n\010order_by\030\006"
+          + " \001(\t\"\215\001\n\034ListAcceleratorTypesResponse\022?\n"
+          + "\021accelerator_types\030\001 \003(\0132$.google.cloud."
+          + "tpu.v1.AcceleratorType\022\027\n\017next_page_toke"
+          + "n\030\002 \001(\t\022\023\n\013unreachable\030\003 \003(\t\"\326\001\n\021Operati"
+          + "onMetadata\022/\n\013create_time\030\001 \001(\0132\032.google"
+          + ".protobuf.Timestamp\022,\n\010end_time\030\002 \001(\0132\032."
+          + "google.protobuf.Timestamp\022\016\n\006target\030\003 \001("
+          + "\t\022\014\n\004verb\030\004 \001(\t\022\025\n\rstatus_detail\030\005 \001(\t\022\030"
+          + "\n\020cancel_requested\030\006 \001(\010\022\023\n\013api_version\030"
+          + "\007 \001(\t\"\305\002\n\007Symptom\022/\n\013create_time\030\001 \001(\0132\032"
+          + ".google.protobuf.Timestamp\022>\n\014symptom_ty"
+          + "pe\030\002 \001(\0162(.google.cloud.tpu.v1.Symptom.S"
+          + "ymptomType\022\017\n\007details\030\003 \001(\t\022\021\n\tworker_id"
+          + "\030\004 \001(\t\"\244\001\n\013SymptomType\022\034\n\030SYMPTOM_TYPE_U"
+          + "NSPECIFIED\020\000\022\016\n\nLOW_MEMORY\020\001\022\021\n\rOUT_OF_M"
+          + "EMORY\020\002\022\025\n\021EXECUTE_TIMED_OUT\020\003\022\023\n\017MESH_B"
+          + "UILD_FAIL\020\004\022\025\n\021HBM_OUT_OF_MEMORY\020\005\022\021\n\rPR"
+          + "OJECT_ABUSE\020\0062\336\017\n\003Tpu\022\226\001\n\tListNodes\022%.go"
+          + "ogle.cloud.tpu.v1.ListNodesRequest\032&.goo"
+          + "gle.cloud.tpu.v1.ListNodesResponse\":\332A\006p"
+          + "arent\202\323\344\223\002+\022)/v1/{parent=projects/*/loca"
+          + "tions/*}/nodes\022\203\001\n\007GetNode\022#.google.clou"
+          + "d.tpu.v1.GetNodeRequest\032\031.google.cloud.t"
+          + "pu.v1.Node\"8\332A\004name\202\323\344\223\002+\022)/v1/{name=pro"
+          + "jects/*/locations/*/nodes/*}\022\276\001\n\nCreateN"
+          + "ode\022&.google.cloud.tpu.v1.CreateNodeRequ"
+          + "est\032\035.google.longrunning.Operation\"i\312A\031\n"
+          + "\004Node\022\021OperationMetadata\332A\023parent,node,n"
+          + "ode_id\202\323\344\223\0021\")/v1/{parent=projects/*/loc"
+          + "ations/*}/nodes:\004node\022\251\001\n\nDeleteNode\022&.g"
+          + "oogle.cloud.tpu.v1.DeleteNodeRequest\032\035.g"
+          + "oogle.longrunning.Operation\"T\312A\031\n\004Node\022\021"
+          + "OperationMetadata\332A\004name\202\323\344\223\002+*)/v1/{nam"
+          + "e=projects/*/locations/*/nodes/*}\022\257\001\n\013Re"
+          + "imageNode\022\'.google.cloud.tpu.v1.ReimageN"
+          + "odeRequest\032\035.google.longrunning.Operatio"
+          + "n\"X\312A\031\n\004Node\022\021OperationMetadata\202\323\344\223\0026\"1/"
+          + "v1/{name=projects/*/locations/*/nodes/*}"
+          + ":reimage:\001*\022\246\001\n\010StopNode\022$.google.cloud."
+          + "tpu.v1.StopNodeRequest\032\035.google.longrunn"
+          + "ing.Operation\"U\312A\031\n\004Node\022\021OperationMetad"
+          + "ata\202\323\344\223\0023\"./v1/{name=projects/*/location"
+          + "s/*/nodes/*}:stop:\001*\022\251\001\n\tStartNode\022%.goo"
+          + "gle.cloud.tpu.v1.StartNodeRequest\032\035.goog"
+          + "le.longrunning.Operation\"V\312A\031\n\004Node\022\021Ope"
+          + "rationMetadata\202\323\344\223\0024\"//v1/{name=projects"
+          + "/*/locations/*/nodes/*}:start:\001*\022\312\001\n\026Lis"
+          + "tTensorFlowVersions\0222.google.cloud.tpu.v"
+          + "1.ListTensorFlowVersionsRequest\0323.google"
+          + ".cloud.tpu.v1.ListTensorFlowVersionsResp"
+          + "onse\"G\332A\006parent\202\323\344\223\0028\0226/v1/{parent=proje"
+          + "cts/*/locations/*}/tensorflowVersions\022\267\001"
+          + "\n\024GetTensorFlowVersion\0220.google.cloud.tp"
+          + "u.v1.GetTensorFlowVersionRequest\032&.googl"
+          + "e.cloud.tpu.v1.TensorFlowVersion\"E\332A\004nam"
+          + "e\202\323\344\223\0028\0226/v1/{name=projects/*/locations/"
+          + "*/tensorflowVersions/*}\022\302\001\n\024ListAccelera"
+          + "torTypes\0220.google.cloud.tpu.v1.ListAccel"
+          + "eratorTypesRequest\0321.google.cloud.tpu.v1"
+          + ".ListAcceleratorTypesResponse\"E\332A\006parent"
+          + "\202\323\344\223\0026\0224/v1/{parent=projects/*/locations"
+          + "/*}/acceleratorTypes\022\257\001\n\022GetAcceleratorT"
+          + "ype\022..google.cloud.tpu.v1.GetAccelerator"
+          + "TypeRequest\032$.google.cloud.tpu.v1.Accele"
+          + "ratorType\"C\332A\004name\202\323\344\223\0026\0224/v1/{name=proj"
+          + "ects/*/locations/*/acceleratorTypes/*}\032F"
+          + "\312A\022tpu.googleapis.com\322A.https://www.goog"
+          + "leapis.com/auth/cloud-platformBU\n\027com.go"
+          + "ogle.cloud.tpu.v1B\rCloudTpuProtoP\001Z)clou"
+          + "d.google.com/go/tpu/apiv1/tpupb;tpupbb\006p"
+          + "roto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
diff --git a/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/Node.java b/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/Node.java
index 80c6cb3a7bef..e868b5bcc4bf 100644
--- a/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/Node.java
+++ b/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/Node.java
@@ -250,6 +250,16 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      * <code>UNHIDING = 15;</code>
      */
     UNHIDING(15),
+    /**
+     *
+     *
+     * <pre>
+     * TPU node has unknown state after a failed repair.
+     * </pre>
+     *
+     * <code>UNKNOWN = 16;</code>
+     */
+    UNKNOWN(16),
     UNRECOGNIZED(-1),
     ;
 
@@ -405,6 +415,16 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      * <code>UNHIDING = 15;</code>
      */
     public static final int UNHIDING_VALUE = 15;
+    /**
+     *
+     *
+     * <pre>
+     * TPU node has unknown state after a failed repair.
+     * </pre>
+     *
+     * <code>UNKNOWN = 16;</code>
+     */
+    public static final int UNKNOWN_VALUE = 16;
 
     public final int getNumber() {
       if (this == UNRECOGNIZED) {
@@ -460,6 +480,8 @@ public static State forNumber(int value) {
           return HIDDEN;
         case 15:
           return UNHIDING;
+        case 16:
+          return UNKNOWN;
         default:
           return null;
       }
@@ -1092,7 +1114,7 @@ public com.google.protobuf.ByteString getAcceleratorTypeBytes() {
    * <code>string ip_address = 8 [deprecated = true];</code>
    *
    * @deprecated google.cloud.tpu.v1.Node.ip_address is deprecated. See
-   *     google/cloud/tpu/v1/cloud_tpu.proto;l=279
+   *     google/cloud/tpu/v1/cloud_tpu.proto;l=282
    * @return The ipAddress.
    */
   @java.lang.Override
@@ -1120,7 +1142,7 @@ public java.lang.String getIpAddress() {
    * <code>string ip_address = 8 [deprecated = true];</code>
    *
    * @deprecated google.cloud.tpu.v1.Node.ip_address is deprecated. See
-   *     google/cloud/tpu/v1/cloud_tpu.proto;l=279
+   *     google/cloud/tpu/v1/cloud_tpu.proto;l=282
    * @return The bytes for ipAddress.
    */
   @java.lang.Override
@@ -1152,7 +1174,7 @@ public com.google.protobuf.ByteString getIpAddressBytes() {
    * <code>string port = 14 [deprecated = true];</code>
    *
    * @deprecated google.cloud.tpu.v1.Node.port is deprecated. See
-   *     google/cloud/tpu/v1/cloud_tpu.proto;l=283
+   *     google/cloud/tpu/v1/cloud_tpu.proto;l=286
    * @return The port.
    */
   @java.lang.Override
@@ -1179,7 +1201,7 @@ public java.lang.String getPort() {
    * <code>string port = 14 [deprecated = true];</code>
    *
    * @deprecated google.cloud.tpu.v1.Node.port is deprecated. See
-   *     google/cloud/tpu/v1/cloud_tpu.proto;l=283
+   *     google/cloud/tpu/v1/cloud_tpu.proto;l=286
    * @return The bytes for port.
    */
   @java.lang.Override
@@ -3243,7 +3265,7 @@ public Builder setAcceleratorTypeBytes(com.google.protobuf.ByteString value) {
      * <code>string ip_address = 8 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.ip_address is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=279
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=282
      * @return The ipAddress.
      */
     @java.lang.Deprecated
@@ -3270,7 +3292,7 @@ public java.lang.String getIpAddress() {
      * <code>string ip_address = 8 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.ip_address is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=279
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=282
      * @return The bytes for ipAddress.
      */
     @java.lang.Deprecated
@@ -3297,7 +3319,7 @@ public com.google.protobuf.ByteString getIpAddressBytes() {
      * <code>string ip_address = 8 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.ip_address is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=279
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=282
      * @param value The ipAddress to set.
      * @return This builder for chaining.
      */
@@ -3323,7 +3345,7 @@ public Builder setIpAddress(java.lang.String value) {
      * <code>string ip_address = 8 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.ip_address is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=279
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=282
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
@@ -3345,7 +3367,7 @@ public Builder clearIpAddress() {
      * <code>string ip_address = 8 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.ip_address is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=279
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=282
      * @param value The bytes for ipAddress to set.
      * @return This builder for chaining.
      */
@@ -3373,7 +3395,7 @@ public Builder setIpAddressBytes(com.google.protobuf.ByteString value) {
      * <code>string port = 14 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.port is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=283
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=286
      * @return The port.
      */
     @java.lang.Deprecated
@@ -3399,7 +3421,7 @@ public java.lang.String getPort() {
      * <code>string port = 14 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.port is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=283
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=286
      * @return The bytes for port.
      */
     @java.lang.Deprecated
@@ -3425,7 +3447,7 @@ public com.google.protobuf.ByteString getPortBytes() {
      * <code>string port = 14 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.port is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=283
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=286
      * @param value The port to set.
      * @return This builder for chaining.
      */
@@ -3450,7 +3472,7 @@ public Builder setPort(java.lang.String value) {
      * <code>string port = 14 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.port is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=283
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=286
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
@@ -3471,7 +3493,7 @@ public Builder clearPort() {
      * <code>string port = 14 [deprecated = true];</code>
      *
      * @deprecated google.cloud.tpu.v1.Node.port is deprecated. See
-     *     google/cloud/tpu/v1/cloud_tpu.proto;l=283
+     *     google/cloud/tpu/v1/cloud_tpu.proto;l=286
      * @param value The bytes for port to set.
      * @return This builder for chaining.
      */
diff --git a/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/NodeOrBuilder.java b/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/NodeOrBuilder.java
index 7af52dcea6ba..bd307502f252 100644
--- a/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/NodeOrBuilder.java
+++ b/java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/NodeOrBuilder.java
@@ -115,7 +115,7 @@ public interface NodeOrBuilder
    * <code>string ip_address = 8 [deprecated = true];</code>
    *
    * @deprecated google.cloud.tpu.v1.Node.ip_address is deprecated. See
-   *     google/cloud/tpu/v1/cloud_tpu.proto;l=279
+   *     google/cloud/tpu/v1/cloud_tpu.proto;l=282
    * @return The ipAddress.
    */
   @java.lang.Deprecated
@@ -132,7 +132,7 @@ public interface NodeOrBuilder
    * <code>string ip_address = 8 [deprecated = true];</code>
    *
    * @deprecated google.cloud.tpu.v1.Node.ip_address is deprecated. See
-   *     google/cloud/tpu/v1/cloud_tpu.proto;l=279
+   *     google/cloud/tpu/v1/cloud_tpu.proto;l=282
    * @return The bytes for ipAddress.
    */
   @java.lang.Deprecated
@@ -149,7 +149,7 @@ public interface NodeOrBuilder
    * <code>string port = 14 [deprecated = true];</code>
    *
    * @deprecated google.cloud.tpu.v1.Node.port is deprecated. See
-   *     google/cloud/tpu/v1/cloud_tpu.proto;l=283
+   *     google/cloud/tpu/v1/cloud_tpu.proto;l=286
    * @return The port.
    */
   @java.lang.Deprecated
@@ -165,7 +165,7 @@ public interface NodeOrBuilder
    * <code>string port = 14 [deprecated = true];</code>
    *
    * @deprecated google.cloud.tpu.v1.Node.port is deprecated. See
-   *     google/cloud/tpu/v1/cloud_tpu.proto;l=283
+   *     google/cloud/tpu/v1/cloud_tpu.proto;l=286
    * @return The bytes for port.
    */
   @java.lang.Deprecated
diff --git a/java-tpu/proto-google-cloud-tpu-v1/src/main/proto/google/cloud/tpu/v1/cloud_tpu.proto b/java-tpu/proto-google-cloud-tpu-v1/src/main/proto/google/cloud/tpu/v1/cloud_tpu.proto
index 3ad0bb109b37..c1d6cc630460 100644
--- a/java-tpu/proto-google-cloud-tpu-v1/src/main/proto/google/cloud/tpu/v1/cloud_tpu.proto
+++ b/java-tpu/proto-google-cloud-tpu-v1/src/main/proto/google/cloud/tpu/v1/cloud_tpu.proto
@@ -222,6 +222,9 @@ message Node {
 
     // TPU node is currently unhiding.
     UNHIDING = 15;
+
+    // TPU node has unknown state after a failed repair.
+    UNKNOWN = 16;
   }
 
   // Health defines the status of a TPU node as reported by