diff --git a/.github/workflows/bld.yml b/.github/workflows/bld.yml
index 436605a..1e33ed8 100644
--- a/.github/workflows/bld.yml
+++ b/.github/workflows/bld.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         java-version: [17, 21, 23]
-        kotlin-version: [1.9.24, 2.0.21, 2.1.0]
+        kotlin-version: [1.9.25, 2.0.21, 2.1.10]
 
     steps:
       - name: Checkout source repository
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 1e9f25d..e864e62 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -47,11 +47,11 @@ jobs:
         uses: actions/configure-pages@v3
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           # Upload generated Javadocs repository
           path: "build/javadoc/"
 
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v1
+        uses: actions/deploy-pages@v4
diff --git a/README.md b/README.md
index 72c9d31..eb19559 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![License](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![Java](https://img.shields.io/badge/java-17%2B-blue)](https://www.oracle.com/java/technologies/javase/jdk17-archive-downloads.html)
-[![Kotlin](https://img.shields.io/badge/kotlin-1.9.24%2B-7f52ff.svg)](https://kotlinlang.org)
+[![Kotlin](https://img.shields.io/badge/kotlin-1.9.25%2B-7f52ff.svg)](https://kotlinlang.org)
 [![bld](https://img.shields.io/badge/2.2.0-FA9052?label=bld&labelColor=2392FF)](https://rife2.com/bld)
 [![Release](https://flat.badgen.net/maven/v/metadata-url/repo.rife2.com/releases/com/uwyn/rife2/bld-kotlin/maven-metadata.xml?color=blue)](https://repo.rife2.com/#/releases/com/uwyn/rife2/bld-kotlin)
 [![Snapshot](https://flat.badgen.net/maven/v/metadata-url/repo.rife2.com/snapshots/com/uwyn/rife2/bld-kotlin/maven-metadata.xml?label=snapshot)](https://repo.rife2.com/#/snapshots/com/uwyn/rife2/bld-kotlin)
@@ -66,7 +66,7 @@ public void compile() throws Exception {
 }
 ```
 
-While older version of Kotlin are likely working with the extension, only version 1.9.24 or higher are officially
+While older version of Kotlin are likely working with the extension, only version 1.9.25 or higher are officially
 supported.
 
 ## Template Project
diff --git a/examples/src/bld/java/com/example/ExampleBuild.java b/examples/src/bld/java/com/example/ExampleBuild.java
index ab3fd8f..c9c08f6 100644
--- a/examples/src/bld/java/com/example/ExampleBuild.java
+++ b/examples/src/bld/java/com/example/ExampleBuild.java
@@ -28,7 +28,7 @@ public class ExampleBuild extends Project {
 
         repositories = List.of(MAVEN_LOCAL, MAVEN_CENTRAL, RIFE2_RELEASES);
 
-        final var kotlin = version(2, 1, 0);
+        final var kotlin = version(2, 1, 10);
         scope(compile)
                 .include(dependency("org.jetbrains.kotlin", "kotlin-stdlib", kotlin));
         scope(test)
diff --git a/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java b/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java
index e12baeb..917c77e 100644
--- a/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java
@@ -33,7 +33,7 @@ public class CompileKotlinOperationBuild extends Project {
     public CompileKotlinOperationBuild() {
         pkg = "rife.bld.extension";
         name = "bld-kotlin";
-        version = version(1, 0, 4);
+        version = version(1, 0, 5, "SNAPSHOT");
 
         javaRelease = 17;
 
@@ -47,7 +47,7 @@ public class CompileKotlinOperationBuild extends Project {
         scope(test)
                 .include(dependency("org.junit.jupiter", "junit-jupiter", version(5, 11, 4)))
                 .include(dependency("org.junit.platform", "junit-platform-console-standalone", version(1, 11, 4)))
-                .include(dependency("org.assertj", "assertj-core", version(3, 27, 2)));
+                .include(dependency("org.assertj", "assertj-core", version(3, 27, 3)));
 
         javadocOperation()
                 .javadocOptions()