diff --git a/appengine-java11/kotlin-ktor/pom.xml b/appengine-java11/kotlin-ktor/pom.xml
index c67b3747f3a..cb8dd11ede1 100644
--- a/appengine-java11/kotlin-ktor/pom.xml
+++ b/appengine-java11/kotlin-ktor/pom.xml
@@ -63,7 +63,7 @@ limitations under the License.
         <dependency>
             <groupId>io.ktor</groupId>
             <artifactId>ktor-server-netty</artifactId>
-            <version>1.2.2</version>
+            <version>1.2.5</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>