diff --git a/build.gradle b/build.gradle
index 9068175b..4d33816a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ allprojects {
   apply plugin: 'pmd'
 
   checkstyle {
-    toolVersion = '9.2.1'
+    toolVersion = '9.3'
     maxWarnings = 0
     getConfigDirectory().set(new File(rootDir, "config/checkstyle"))
   }