diff --git a/build.gradle b/build.gradle
index f09880b..090e8e4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ java {
 }
 
 checkstyle {
-    toolVersion '9.0'
+    toolVersion '13.11.0'
 }
 
 pmd {