diff --git a/google-cloud-spanner/pom.xml b/google-cloud-spanner/pom.xml
index 15b657be61..7dde488d75 100644
--- a/google-cloud-spanner/pom.xml
+++ b/google-cloud-spanner/pom.xml
@@ -310,7 +310,7 @@
     <dependency>
       <groupId>org.openjdk.jmh</groupId>
       <artifactId>jmh-generator-annprocess</artifactId>
-      <version>1.27</version>
+      <version>1.28</version>
       <scope>test</scope>
     </dependency>
   </dependencies>