diff --git a/build.gradle b/build.gradle
index 79bb631acd3..d277f24b9d3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -396,7 +396,7 @@ dependencies {
     // recommended by https://github.com/wiremock/wiremock/issues/2149#issuecomment-1835775954
     testImplementation 'org.wiremock:wiremock-standalone:3.10.0'
 
-    checkstyle 'com.puppycrawl.tools:checkstyle:10.20.1'
+    checkstyle 'com.puppycrawl.tools:checkstyle:10.21.0'
     // xjc needs the runtime as well for the ant task, otherwise it fails
     xjc group: 'org.glassfish.jaxb', name: 'jaxb-xjc', version: '3.0.2'
     xjc group: 'org.glassfish.jaxb', name: 'jaxb-runtime', version: '3.0.2'