diff --git a/appengine-standard-java8/helloworld-gae-javasdk-tools/pom.xml b/appengine-standard-java8/helloworld-gae-javasdk-tools/pom.xml
index d0690f74e..d6f437dd1 100644
--- a/appengine-standard-java8/helloworld-gae-javasdk-tools/pom.xml
+++ b/appengine-standard-java8/helloworld-gae-javasdk-tools/pom.xml
@@ -110,7 +110,7 @@ limitations under the License.
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>4.5.0</version>
+      <version>5.23.0</version>
       <scope>test</scope>
     </dependency>
     <!-- [END_EXCLUDE] -->