diff --git a/pom.xml b/pom.xml
index 9064074b..c1186627 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,10 +58,10 @@
   </licenses>
   <properties>
     <site.installationModule>google-cloud-spanner-jdbc</site.installationModule>
-    <grpc.version>1.27.2</grpc.version>
+    <grpc.version>1.28.1</grpc.version>
     <api-client.version>1.30.9</api-client.version>
     <google.core.version>1.93.3</google.core.version>
-    <gax.version>1.54.0</gax.version>
+    <gax.version>1.56.0</gax.version>
     <http-client-bom.version>1.34.2</http-client-bom.version>
     <guava.version>28.2-android</guava.version>
     <junit.version>4.13</junit.version>