diff --git a/features/kotlin/pom.xml b/features/kotlin/pom.xml
index 4d4a965..f80f428 100644
--- a/features/kotlin/pom.xml
+++ b/features/kotlin/pom.xml
@@ -14,7 +14,7 @@
         <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
-        <kotlin.version>2.1.20</kotlin.version>
+        <kotlin.version>2.1.21</kotlin.version>
     </properties>
 
     <artifactId>configured-feature-kotlin</artifactId>
diff --git a/pom.xml b/pom.xml
index 542c943..9da11c6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
         <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
-        <kotlin.version>2.1.20</kotlin.version>
+        <kotlin.version>2.1.21</kotlin.version>
     </properties>
 
     <groupId>cc.carm.lib</groupId>