diff --git a/pom.xml b/pom.xml
index e4c879521..50aecb566 100644
--- a/pom.xml
+++ b/pom.xml
@@ -341,12 +341,12 @@ limitations under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-assembly-plugin</artifactId>
-          <version>3.4.2</version>
+          <version>3.4.1</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-checkstyle-plugin</artifactId>
-          <version>3.1.2</version>
+          <version>3.2.0</version>
           <configuration>
             <configLocation>config/maven_checks.xml</configLocation>
             <headerLocation>https://raw.github.com/codehaus-plexus/plexus-pom/master/src/main/resources/config/plexus-header.txt</headerLocation>
@@ -379,7 +379,7 @@ limitations under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-deploy-plugin</artifactId>
-          <version>3.0.0</version>
+          <version>2.8.2</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
@@ -394,7 +394,7 @@ limitations under the License.
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-install-plugin</artifactId>
-          <version>3.0.1</version>
+          <version>2.5.2</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>