diff --git a/google-api-grpc/pom.xml b/google-api-grpc/pom.xml
index c06e6dff5067..ad800bfc61c3 100644
--- a/google-api-grpc/pom.xml
+++ b/google-api-grpc/pom.xml
@@ -109,13 +109,13 @@
       <dependency>
         <groupId>io.grpc</groupId>
         <artifactId>grpc-stub</artifactId>
-        <version>1.21.0</version>
+        <version>1.23.0</version>
         <scope>compile</scope>
       </dependency>
       <dependency>
         <groupId>io.grpc</groupId>
         <artifactId>grpc-protobuf</artifactId>
-        <version>1.21.0</version>
+        <version>1.23.0</version>
         <scope>compile</scope>
       </dependency>
       <dependency>
diff --git a/google-cloud-clients/pom.xml b/google-cloud-clients/pom.xml
index 67d39e69745e..1b7ad26eacd3 100644
--- a/google-cloud-clients/pom.xml
+++ b/google-cloud-clients/pom.xml
@@ -159,7 +159,7 @@
     <gax.version>1.47.1</gax.version>
     <api.common.java.version>1.8.1</api.common.java.version>
     <google.auth.version>0.16.2</google.auth.version>
-    <grpc.version>1.21.0</grpc.version>
+    <grpc.version>1.23.0</grpc.version>
     <!-- We are currently using the *-android version to support JDK7. -->
     <guava.version>28.0-android</guava.version>
     <http-client-bom.version>1.31.0</http-client-bom.version>
diff --git a/google-cloud-testing/google-cloud-bigtable-emulator/pom.xml b/google-cloud-testing/google-cloud-bigtable-emulator/pom.xml
index 2ae9f29c9b8d..754009dc1699 100644
--- a/google-cloud-testing/google-cloud-bigtable-emulator/pom.xml
+++ b/google-cloud-testing/google-cloud-bigtable-emulator/pom.xml
@@ -138,14 +138,14 @@
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-core</artifactId>
-      <version>1.21.0</version>
+      <version>1.23.0</version>
       <scope>provided</scope>
     </dependency>
 
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-netty-shaded</artifactId>
-      <version>1.21.0</version>
+      <version>1.23.0</version>
       <scope>provided</scope>
     </dependency>
 
diff --git a/google-cloud-util/google-cloud-compat-checker/pom.xml b/google-cloud-util/google-cloud-compat-checker/pom.xml
index 78c12c80c6ae..b3b9dda2904f 100644
--- a/google-cloud-util/google-cloud-compat-checker/pom.xml
+++ b/google-cloud-util/google-cloud-compat-checker/pom.xml
@@ -16,7 +16,7 @@
   </parent>
   <properties>
     <site.installationModule>google-cloud-compat-checker</site.installationModule>
-    <grpc.version>1.21.0</grpc.version>
+    <grpc.version>1.23.0</grpc.version>
     <!-- We are currently using the *-android version to support JDK7. -->
     <guava.version>27.1-android</guava.version>
   </properties>