diff --git a/google-http-client-apache-v2/pom.xml b/google-http-client-apache-v2/pom.xml
index 4541ae527..10307d3bb 100644
--- a/google-http-client-apache-v2/pom.xml
+++ b/google-http-client-apache-v2/pom.xml
@@ -29,7 +29,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.6.0</version>
         <executions>
           <execution>
             <id>add-test-source</id>
diff --git a/google-http-client-gson/pom.xml b/google-http-client-gson/pom.xml
index 2db8272b3..bb7dc31b5 100644
--- a/google-http-client-gson/pom.xml
+++ b/google-http-client-gson/pom.xml
@@ -30,7 +30,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.6.0</version>
         <executions>
           <execution>
             <id>add-test-source</id>
diff --git a/google-http-client-jackson2/pom.xml b/google-http-client-jackson2/pom.xml
index def789878..d8afee4f6 100644
--- a/google-http-client-jackson2/pom.xml
+++ b/google-http-client-jackson2/pom.xml
@@ -29,7 +29,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.6.0</version>
         <executions>
           <execution>
             <id>add-test-source</id>
diff --git a/google-http-client-test/pom.xml b/google-http-client-test/pom.xml
index 7c0feeb27..89648a188 100644
--- a/google-http-client-test/pom.xml
+++ b/google-http-client-test/pom.xml
@@ -29,7 +29,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.6.0</version>
         <executions>
           <execution>
             <id>add-test-source</id>
diff --git a/google-http-client-xml/pom.xml b/google-http-client-xml/pom.xml
index 7851bbab1..c3acca5f0 100644
--- a/google-http-client-xml/pom.xml
+++ b/google-http-client-xml/pom.xml
@@ -29,7 +29,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.6.0</version>
         <executions>
           <execution>
             <id>add-test-source</id>
diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 5891c62c8..b14c176e5 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -53,7 +53,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.6.0</version>
         <executions>
           <execution>
             <id>add-snippets-source</id>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index cc6cb1fa8..b8adb0e8e 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -52,7 +52,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.6.0</version>
         <executions>
           <execution>
             <id>add-snippets-source</id>