diff --git a/function-maven-plugin/pom.xml b/function-maven-plugin/pom.xml
index b3599957..0d87627c 100644
--- a/function-maven-plugin/pom.xml
+++ b/function-maven-plugin/pom.xml
@@ -105,7 +105,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-enforcer-plugin</artifactId>
-          <version>3.6.3</version>
+          <version>3.5.0</version>
         </plugin>
       </plugins>
     </pluginManagement>
@@ -133,7 +133,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-enforcer-plugin</artifactId>
-            <version>3.6.3</version>
+            <version>3.5.0</version>
           </plugin>
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
diff --git a/functions-framework-api/pom.xml b/functions-framework-api/pom.xml
index 26adb28a..72566670 100644
--- a/functions-framework-api/pom.xml
+++ b/functions-framework-api/pom.xml
@@ -123,7 +123,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-enforcer-plugin</artifactId>
-          <version>3.6.3</version>
+          <version>3.5.0</version>
         </plugin>
         <plugin>
           <artifactId>maven-javadoc-plugin</artifactId>
@@ -162,7 +162,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-enforcer-plugin</artifactId>
-            <version>3.6.3</version>
+            <version>3.5.0</version>
           </plugin>
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
diff --git a/invoker/pom.xml b/invoker/pom.xml
index 26d2a1d8..02231289 100644
--- a/invoker/pom.xml
+++ b/invoker/pom.xml
@@ -88,7 +88,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-enforcer-plugin</artifactId>
-          <version>3.6.3</version>
+          <version>3.5.0</version>
         </plugin>
       </plugins>
     </pluginManagement>
@@ -101,7 +101,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-enforcer-plugin</artifactId>
-            <version>3.6.3</version>
+            <version>3.5.0</version>
           </plugin>
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>