diff --git a/.github/workflows/bld.yml b/.github/workflows/bld.yml
index cb23afa..d01b562 100644
--- a/.github/workflows/bld.yml
+++ b/.github/workflows/bld.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         java-version: [17, 21, 24]
-        kotlin-version: [1.9.25, 2.0.21, 2.1.10]
+        kotlin-version: [1.9.25, 2.0.21, 2.1.20]
 
     steps:
       - name: Checkout source repository
diff --git a/examples/src/bld/java/com/example/ExampleBuild.java b/examples/src/bld/java/com/example/ExampleBuild.java
index c3bf9b0..556678a 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, 10);
+        final var kotlin = version(2, 1, 20);
         scope(compile)
                 .include(dependency("org.jetbrains.kotlin", "kotlin-stdlib", kotlin));
         scope(test)
diff --git a/scripts/checkcliargs.sh b/scripts/checkcliargs.sh
index 30c8537..94313ab 100755
--- a/scripts/checkcliargs.sh
+++ b/scripts/checkcliargs.sh
@@ -4,7 +4,7 @@ new=/tmp/checkcliargs-new
 old=/tmp/checkcliargs-old
 
 kotlinc -h 2>$new
-~/.sdkman/candidates/kotlin/2.1.0/bin/kotlinc -h 2>$old
+~/.sdkman/candidates/kotlin/2.1.10/bin/kotlinc -h 2>$old
 
 code --diff --wait $old $new