diff --git a/google-api-grpc/pom.xml b/google-api-grpc/pom.xml
index 332db0a533cb..43e8ef6dcba9 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>1.19.0</version>
+        <version>1.21.0</version>
         <scope>compile</scope>
       </dependency>
       <dependency>
         <groupId>io.grpc</groupId>
         <artifactId>grpc-protobuf</artifactId>
-        <version>1.19.0</version>
+        <version>1.21.0</version>
         <scope>compile</scope>
       </dependency>
       <dependency>
diff --git a/google-cloud-bom/pom.xml b/google-cloud-bom/pom.xml
index 0a7a8775a7d8..bd6ff344204a 100644
--- a/google-cloud-bom/pom.xml
+++ b/google-cloud-bom/pom.xml
@@ -168,7 +168,7 @@
       <dependency>
         <groupId>com.google.api</groupId>
         <artifactId>gax-bom</artifactId>
-        <version>1.44.0</version>
+        <version>1.45.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/google-cloud-clients/pom.xml b/google-cloud-clients/pom.xml
index 89754a3feb44..e9b6d528c325 100644
--- a/google-cloud-clients/pom.xml
+++ b/google-cloud-clients/pom.xml
@@ -156,17 +156,17 @@
     <bom.version>0.93.1-alpha-SNAPSHOT</bom.version><!-- {x-version-update:google-cloud-bom:current} -->
     <api-client.version>1.28.0</api-client.version>
     <!-- make sure to keep gax version in sync with google-cloud-bom -->
-    <gax.version>1.44.0</gax.version>
+    <gax.version>1.45.0</gax.version>
     <api.common.java.version>1.8.1</api.common.java.version>
     <google.auth.version>0.15.0</google.auth.version>
-    <grpc.version>1.19.0</grpc.version>
+    <grpc.version>1.21.0</grpc.version>
     <!-- We are currently using the *-android version to support JDK7. -->
     <guava.version>27.1-android</guava.version>
     <http-client-bom.version>1.29.1</http-client-bom.version>
-    <oauth-client.version>1.28.0</oauth-client.version>
+    <oauth-client.version>1.29.0</oauth-client.version>
     <protobuf.version>3.7.1</protobuf.version>
     <!-- make sure to keep opencensus version in sync with grpc -->
-    <opencensus.version>0.19.2</opencensus.version>
+    <opencensus.version>0.21.0</opencensus.version>
     <!-- make sure to keep version in sync with google-http-client -->
     <apache.httpclient.version>4.5.5</apache.httpclient.version>
     <!-- test dependency versions -->