diff --git a/build.gradle b/build.gradle
index 2ae61523..e0f26e61 100644
--- a/build.gradle
+++ b/build.gradle
@@ -99,7 +99,7 @@ task tests {
 
 checkstyle {
   maxWarnings = 0
-  toolVersion = '10.21.0'
+  toolVersion = '10.21.1'
   getConfigDirectory().set(new File(rootDir, 'config/checkstyle'))
 }