diff --git a/core/pom.xml b/core/pom.xml
index 20a3119a5..027eef0c6 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -235,7 +235,7 @@
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>gax</artifactId>
-      <version>2.39.0</version>
+      <version>2.40.0</version>
       <exclusions>
         <!-- Native image users only need GAX's native-image metadata. GAX's
         dependencies are unnecessary for normal users and native image users -->