diff --git a/appengine-java8/metadata/pom.xml b/appengine-java8/metadata/pom.xml
index e9a4296fe4f..56601a495c5 100644
--- a/appengine-java8/metadata/pom.xml
+++ b/appengine-java8/metadata/pom.xml
@@ -76,7 +76,7 @@ Copyright 2017 Google Inc.
     <dependency>
       <groupId>org.thymeleaf</groupId>
       <artifactId>thymeleaf</artifactId>
-      <version>3.1.2.RELEASE</version>
+      <version>3.1.4.RELEASE</version>
     </dependency>
 
   </dependencies>