diff --git a/README.md b/README.md
index 3a37414..c3509b5 100644
--- a/README.md
+++ b/README.md
@@ -37,5 +37,5 @@ not provided by the extension. For example:
 
 ```java
 repositories = List.of(MAVEN_CENTRAL);
-scope(test).include(dependency("com.puppycrawl.tools", "checkstyle", version(10, 20, 2)));
+scope(test).include(dependency("com.puppycrawl.tools", "checkstyle", version(10, 21, 0)));
 ```
diff --git a/examples/lib/bld/bld-wrapper.properties b/examples/lib/bld/bld-wrapper.properties
index 0eca787..4c42e51 100644
--- a/examples/lib/bld/bld-wrapper.properties
+++ b/examples/lib/bld/bld-wrapper.properties
@@ -1,7 +1,7 @@
 bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
 bld.downloadLocation=
-bld.extension-checkstyle=com.uwyn.rife2:bld-checkstyle:1.0.9
+bld.extension-checkstyle=com.uwyn.rife2:bld-checkstyle:1.0.10
 bld.repositories=MAVEN_LOCAL,MAVEN_CENTRAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.sourceDirectories=
 bld.version=2.1.0
diff --git a/examples/src/bld/java/com/example/ExamplesBuild.java b/examples/src/bld/java/com/example/ExamplesBuild.java
index 9ca23f7..805efab 100644
--- a/examples/src/bld/java/com/example/ExamplesBuild.java
+++ b/examples/src/bld/java/com/example/ExamplesBuild.java
@@ -20,10 +20,10 @@ public class ExamplesBuild extends BaseProject {
 
         autoDownloadPurge = true;
         downloadSources = true;
-        
+
         repositories = List.of(MAVEN_CENTRAL);
 
-        scope(test).include(dependency("com.puppycrawl.tools", "checkstyle", version(10, 20, 2)));
+        scope(test).include(dependency("com.puppycrawl.tools", "checkstyle", version(10, 21, 0)));
 
         testOperation().mainClass("com.example.ExamplesTest");
     }
diff --git a/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java b/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
index d23373b..66077eb 100644
--- a/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
@@ -33,7 +33,7 @@ public class CheckstyleOperationBuild extends Project {
     public CheckstyleOperationBuild() {
         pkg = "rife.bld.extension";
         name = "CheckstyleOperation";
-        version = version(1, 0, 9);
+        version = version(1, 0, 10);
 
         javaRelease = 17;
 
@@ -45,7 +45,7 @@ public class CheckstyleOperationBuild extends Project {
         scope(compile)
                 .include(dependency("com.uwyn.rife2", "bld", version(2, 1, 0)));
         scope(test)
-                .include(dependency("com.puppycrawl.tools", "checkstyle", version(10, 20, 2)))
+                .include(dependency("com.puppycrawl.tools", "checkstyle", version(10, 21, 0)))
                 .include(dependency("org.junit.jupiter", "junit-jupiter", version(5, 11, 3)))
                 .include(dependency("org.junit.platform", "junit-platform-console-standalone", version(1, 11, 3)))
                 .include(dependency("org.assertj", "assertj-core", version(3, 26, 3)));