diff --git a/google-api-grpc/pom.xml b/google-api-grpc/pom.xml
index 4d5fed40072c..5a44e1336d4f 100644
--- a/google-api-grpc/pom.xml
+++ b/google-api-grpc/pom.xml
@@ -103,7 +103,7 @@
       <dependency>
         <groupId>com.google.protobuf</groupId>
         <artifactId>protobuf-java</artifactId>
-        <version>3.6.1</version>
+        <version>3.7.0</version>
       </dependency>
       <dependency>
         <groupId>io.grpc</groupId>
diff --git a/google-cloud-clients/pom.xml b/google-cloud-clients/pom.xml
index a8266ff39b23..b5be598571f9 100644
--- a/google-cloud-clients/pom.xml
+++ b/google-cloud-clients/pom.xml
@@ -163,7 +163,7 @@
     <guava.version>27.1-android</guava.version>
     <http-client-bom.version>1.29.0</http-client-bom.version>
     <oauth-client.version>1.28.0</oauth-client.version>
-    <protobuf.version>3.6.1</protobuf.version>
+    <protobuf.version>3.7.0</protobuf.version>
     <!-- make sure to keep opencensus version in sync with grpc -->
     <opencensus.version>0.18.0</opencensus.version>
     <!-- test dependency versions -->