diff --git a/appengine-standard-java8/helloworld-gae-javasdk-tools/pom.xml b/appengine-standard-java8/helloworld-gae-javasdk-tools/pom.xml
index d0690f74e..01b742780 100644
--- a/appengine-standard-java8/helloworld-gae-javasdk-tools/pom.xml
+++ b/appengine-standard-java8/helloworld-gae-javasdk-tools/pom.xml
@@ -68,9 +68,9 @@ limitations under the License.
     <!-- [END servlet] -->
 
     <dependency>
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
     <!-- [START_EXCLUDE silent] -->
     <!-- Test Dependencies -->
diff --git a/appengine-standard-java8/kotlin-appengine-standard/pom.xml b/appengine-standard-java8/kotlin-appengine-standard/pom.xml
index 0c9b81e7c..6dc44a657 100644
--- a/appengine-standard-java8/kotlin-appengine-standard/pom.xml
+++ b/appengine-standard-java8/kotlin-appengine-standard/pom.xml
@@ -43,9 +43,9 @@ limitations under the License.
       <version>2.0.15</version>
     </dependency>
     <dependency>
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
     <dependency>
       <groupId>javax.servlet</groupId>
diff --git a/appengine-standard-java8/kotlin-sb-appengine-standard/pom.xml b/appengine-standard-java8/kotlin-sb-appengine-standard/pom.xml
index 43a9af37e..e12b76a9e 100644
--- a/appengine-standard-java8/kotlin-sb-appengine-standard/pom.xml
+++ b/appengine-standard-java8/kotlin-sb-appengine-standard/pom.xml
@@ -42,9 +42,9 @@ limitations under the License.
       <version>2.0.15</version>
     </dependency>
     <dependency>
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
     <dependency>
       <groupId>org.springframework.boot</groupId>
diff --git a/appengine-standard-java8/kotlin-spark-appengine-standard/pom.xml b/appengine-standard-java8/kotlin-spark-appengine-standard/pom.xml
index 2b259b868..39be51e9b 100644
--- a/appengine-standard-java8/kotlin-spark-appengine-standard/pom.xml
+++ b/appengine-standard-java8/kotlin-spark-appengine-standard/pom.xml
@@ -41,9 +41,9 @@ limitations under the License.
       <version>2.0.15</version>
     </dependency>
     <dependency>
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
     <dependency>
       <groupId>javax.servlet</groupId>
diff --git a/background/pom.xml b/background/pom.xml
index cda375cf7..dd211c944 100644
--- a/background/pom.xml
+++ b/background/pom.xml
@@ -82,9 +82,9 @@ Copyright 2019 Google LLC
     </dependency>
 
     <dependency>
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
 
     <!-- Test dependencies -->
diff --git a/bookshelf-standard/2-structured-data/pom.xml b/bookshelf-standard/2-structured-data/pom.xml
index bc0ad32d4..80b7fa2a1 100644
--- a/bookshelf-standard/2-structured-data/pom.xml
+++ b/bookshelf-standard/2-structured-data/pom.xml
@@ -95,9 +95,9 @@ Copyright 2016 Google Inc.
     </dependency>
 
     <dependency>                        <!-- JSP standard tag library -->
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
 
     <dependency>                        <!-- Apache Taglibs -->
diff --git a/bookshelf-standard/3-binary-data/pom.xml b/bookshelf-standard/3-binary-data/pom.xml
index 042127bd0..97668640d 100644
--- a/bookshelf-standard/3-binary-data/pom.xml
+++ b/bookshelf-standard/3-binary-data/pom.xml
@@ -97,9 +97,9 @@ Copyright 2016 Google Inc.
     </dependency>
 
     <dependency>                        <!-- JSP standard tag library -->
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
 
     <dependency>                        <!-- Apache Taglibs -->
diff --git a/bookshelf-standard/4-auth/pom.xml b/bookshelf-standard/4-auth/pom.xml
index cf1e1d1da..93650eea9 100644
--- a/bookshelf-standard/4-auth/pom.xml
+++ b/bookshelf-standard/4-auth/pom.xml
@@ -98,9 +98,9 @@ Copyright 2016 Google Inc.
     </dependency>
 
     <dependency>                        <!-- JSP standard tag library -->
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
 
     <dependency>                        <!-- Apache Taglibs -->
diff --git a/bookshelf-standard/5-logging/pom.xml b/bookshelf-standard/5-logging/pom.xml
index b18762c12..3a286035f 100644
--- a/bookshelf-standard/5-logging/pom.xml
+++ b/bookshelf-standard/5-logging/pom.xml
@@ -98,9 +98,9 @@ Copyright 2016 Google Inc.
     </dependency>
 
     <dependency>                        <!-- JSP standard tag library -->
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
 
     <dependency>                        <!-- Apache Taglibs -->
diff --git a/bookshelf/1-cloud-run/pom.xml b/bookshelf/1-cloud-run/pom.xml
index efcf31a74..b4cf9d2b7 100644
--- a/bookshelf/1-cloud-run/pom.xml
+++ b/bookshelf/1-cloud-run/pom.xml
@@ -78,9 +78,9 @@ Copyright 2019 Google LLC
     </dependency>
 
     <dependency>
-      <groupId>jstl</groupId>
+      <groupId>javax.servlet</groupId>
       <artifactId>jstl</artifactId>
-      <version>1.2</version>
+      <version>1.1.2</version>
     </dependency>
 
     <dependency>