diff --git a/pom.xml b/pom.xml
index 572c090..7592be4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -178,7 +178,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-checkstyle-plugin</artifactId>
-          <version>2.10</version>
+          <version>2.9.1</version>
           <executions>
             <execution>
               <phase>verify</phase>