diff --git a/proto-google-cloud-dataflow-v1beta3/src/main/java/com/google/dataflow/v1beta3/Job.java b/proto-google-cloud-dataflow-v1beta3/src/main/java/com/google/dataflow/v1beta3/Job.java
index 21994693..311c2795 100644
--- a/proto-google-cloud-dataflow-v1beta3/src/main/java/com/google/dataflow/v1beta3/Job.java
+++ b/proto-google-cloud-dataflow-v1beta3/src/main/java/com/google/dataflow/v1beta3/Job.java
@@ -517,7 +517,7 @@ public com.google.protobuf.ByteString getProjectIdBytes() {
    * name as an already-existing Job, the attempt returns the
    * existing Job.
    * The name must match the regular expression
-   * `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+   * `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
    * </pre>
    *
    * <code>string name = 3;</code>
@@ -546,7 +546,7 @@ public java.lang.String getName() {
    * name as an already-existing Job, the attempt returns the
    * existing Job.
    * The name must match the regular expression
-   * `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+   * `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
    * </pre>
    *
    * <code>string name = 3;</code>
@@ -3025,7 +3025,7 @@ public Builder setProjectIdBytes(com.google.protobuf.ByteString value) {
      * name as an already-existing Job, the attempt returns the
      * existing Job.
      * The name must match the regular expression
-     * `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+     * `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
      * </pre>
      *
      * <code>string name = 3;</code>
@@ -3053,7 +3053,7 @@ public java.lang.String getName() {
      * name as an already-existing Job, the attempt returns the
      * existing Job.
      * The name must match the regular expression
-     * `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+     * `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
      * </pre>
      *
      * <code>string name = 3;</code>
@@ -3081,7 +3081,7 @@ public com.google.protobuf.ByteString getNameBytes() {
      * name as an already-existing Job, the attempt returns the
      * existing Job.
      * The name must match the regular expression
-     * `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+     * `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
      * </pre>
      *
      * <code>string name = 3;</code>
@@ -3108,7 +3108,7 @@ public Builder setName(java.lang.String value) {
      * name as an already-existing Job, the attempt returns the
      * existing Job.
      * The name must match the regular expression
-     * `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+     * `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
      * </pre>
      *
      * <code>string name = 3;</code>
@@ -3131,7 +3131,7 @@ public Builder clearName() {
      * name as an already-existing Job, the attempt returns the
      * existing Job.
      * The name must match the regular expression
-     * `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+     * `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
      * </pre>
      *
      * <code>string name = 3;</code>
diff --git a/proto-google-cloud-dataflow-v1beta3/src/main/java/com/google/dataflow/v1beta3/JobOrBuilder.java b/proto-google-cloud-dataflow-v1beta3/src/main/java/com/google/dataflow/v1beta3/JobOrBuilder.java
index 70a8d0b6..45dabc71 100644
--- a/proto-google-cloud-dataflow-v1beta3/src/main/java/com/google/dataflow/v1beta3/JobOrBuilder.java
+++ b/proto-google-cloud-dataflow-v1beta3/src/main/java/com/google/dataflow/v1beta3/JobOrBuilder.java
@@ -87,7 +87,7 @@ public interface JobOrBuilder
    * name as an already-existing Job, the attempt returns the
    * existing Job.
    * The name must match the regular expression
-   * `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+   * `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
    * </pre>
    *
    * <code>string name = 3;</code>
@@ -105,7 +105,7 @@ public interface JobOrBuilder
    * name as an already-existing Job, the attempt returns the
    * existing Job.
    * The name must match the regular expression
-   * `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+   * `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
    * </pre>
    *
    * <code>string name = 3;</code>
diff --git a/proto-google-cloud-dataflow-v1beta3/src/main/proto/google/dataflow/v1beta3/jobs.proto b/proto-google-cloud-dataflow-v1beta3/src/main/proto/google/dataflow/v1beta3/jobs.proto
index 3e4b5cfa..359b7873 100644
--- a/proto-google-cloud-dataflow-v1beta3/src/main/proto/google/dataflow/v1beta3/jobs.proto
+++ b/proto-google-cloud-dataflow-v1beta3/src/main/proto/google/dataflow/v1beta3/jobs.proto
@@ -154,7 +154,7 @@ message Job {
   // existing Job.
   //
   // The name must match the regular expression
-  // `[a-z]([-a-z0-9]{0,38}[a-z0-9])?`
+  // `[a-z]([-a-z0-9]{0,1022}[a-z0-9])?`
   string name = 3;
 
   // The type of Cloud Dataflow job.