diff --git a/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java b/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
index 022322b..f7306e9 100644
--- a/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
@@ -45,10 +45,10 @@ public class CheckstyleOperationBuild extends Project {
         scope(compile)
                 .include(dependency("com.uwyn.rife2", "bld", version(1, 9, 1)));
         scope(test)
-                .include(dependency("com.puppycrawl.tools", "checkstyle", version(10, 16, 0)))
+                .include(dependency("com.puppycrawl.tools", "checkstyle", version(10, 17, 0)))
                 .include(dependency("org.junit.jupiter", "junit-jupiter", version(5, 10, 2)))
                 .include(dependency("org.junit.platform", "junit-platform-console-standalone", version(1, 10, 2)))
-                .include(dependency("org.assertj", "assertj-core", version(3, 25, 3)));
+                .include(dependency("org.assertj", "assertj-core", version(3, 26, 0)));
         javadocOperation()
                 .javadocOptions()
                 .author()