diff --git a/pom.xml b/pom.xml
index b8475e6d..0a422201 100644
--- a/pom.xml
+++ b/pom.xml
@@ -210,7 +210,7 @@
         <dependency>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-checkstyle-plugin</artifactId>
-            <version>3.4.1</version>
+            <version>3.3.0</version>
             <scope>compile</scope>
         </dependency>
         
@@ -378,7 +378,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.4.1</version>
                 <executions>
                     <execution>
                         <phase>package</phase>