diff --git a/appengine-java8/firebase-event-proxy/pom.xml b/appengine-java8/firebase-event-proxy/pom.xml
index 1b2c0304285..5aef55db424 100644
--- a/appengine-java8/firebase-event-proxy/pom.xml
+++ b/appengine-java8/firebase-event-proxy/pom.xml
@@ -69,7 +69,7 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-core</artifactId>
-      <version>2.16.0</version>
+      <version>2.18.6</version>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>