diff --git a/build.gradle b/build.gradle
index 84aa4c4..7025e4b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ plugins {
 }
 
 ext {
-    checkstyleVersion = '10.20.2'
+    checkstyleVersion = '10.21.0'
     pmdVersion = '7.8.0'
 }