diff --git a/appengine-java11/gaeinfo/pom.xml b/appengine-java11/gaeinfo/pom.xml
index 8859ba299b2..524c5b48c63 100644
--- a/appengine-java11/gaeinfo/pom.xml
+++ b/appengine-java11/gaeinfo/pom.xml
@@ -73,7 +73,7 @@ Copyright 2019 Google LLC
     <dependency>
       <groupId>org.thymeleaf</groupId>
       <artifactId>thymeleaf</artifactId>
-      <version>3.0.12.RELEASE</version>
+      <version>3.1.5.RELEASE</version>
       <scope>provided</scope>
     </dependency>
   </dependencies>