diff --git a/build.gradle b/build.gradle
index fb9ba4b0..2a672970 100644
--- a/build.gradle
+++ b/build.gradle
@@ -140,7 +140,7 @@ task smoke(type: Test) {
 
 checkstyle {
   maxWarnings = 0
-  toolVersion = '10.20.0'
+  toolVersion = '10.21.0'
   getConfigDirectory().set(new File(rootDir, 'config/checkstyle'))
 }