diff --git a/appengine-java11/guestbook-cloud-firestore/pom.xml b/appengine-java11/guestbook-cloud-firestore/pom.xml
index 566a66ea760..7204cbbd803 100644
--- a/appengine-java11/guestbook-cloud-firestore/pom.xml
+++ b/appengine-java11/guestbook-cloud-firestore/pom.xml
@@ -82,9 +82,9 @@
       <scope>provided</scope>
     </dependency>
     <dependency>
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
   </dependencies>
   <build>
diff --git a/appengine-java11/oauth2/pom.xml b/appengine-java11/oauth2/pom.xml
index 5f8594a3a41..4f99daad228 100644
--- a/appengine-java11/oauth2/pom.xml
+++ b/appengine-java11/oauth2/pom.xml
@@ -96,9 +96,9 @@
       </dependency>
 
       <dependency>
-        <groupId>jstl</groupId>
+        <groupId>javax.servlet</groupId>
         <artifactId>jstl</artifactId>
-        <version>1.2</version>
+        <version>1.1.2</version>
         <scope>provided</scope>
       </dependency>