diff --git a/pom.xml b/pom.xml
index e332a74f..45959a63 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,7 +56,7 @@
     <site.installationModule>${project.artifactId}</site.installationModule>
 
     <grpc.version>1.37.0</grpc.version>
-    <gax.version>1.63.0</gax.version>
+    <gax.version>1.63.4</gax.version>
     <guava.version>30.1.1-android</guava.version>
     <protobuf.version>3.15.8</protobuf.version>
     <google.api-common.version>1.10.3</google.api-common.version>