diff --git a/pom.xml b/pom.xml
index a1992ea..a05488f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,6 +60,8 @@
         <!-- <sirius.ideaExcludes>.idea/copyright/**</sirius.ideaExcludes> -->
 
         <kotlin.version>2.1.0</kotlin.version>
+        <kotlin.compiler.languageVersion>2.1</kotlin.compiler.languageVersion>
+        <kotlin.compiler.apiVersion>2.1</kotlin.compiler.apiVersion>
         <kotlin.compiler.incremental>true</kotlin.compiler.incremental>
         <kotlin.compiler.jvmTarget>23</kotlin.compiler.jvmTarget>
     </properties>
diff --git a/src/main/resources/.idea/kotlinc.xml b/src/main/resources/.idea/kotlinc.xml
index 96e7823..bdfce97 100644
--- a/src/main/resources/.idea/kotlinc.xml
+++ b/src/main/resources/.idea/kotlinc.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinCommonCompilerArguments">
-    <option name="languageVersion" value="1.9" />
-    <option name="apiVersion" value="1.9" />
+    <option name="languageVersion" value="2.1" />
+    <option name="apiVersion" value="2.1" />
   </component>
 </project>