diff --git a/micronaut-maven-integration-tests/src/it/openapi-generate-client-kotlin/pom.xml b/micronaut-maven-integration-tests/src/it/openapi-generate-client-kotlin/pom.xml
index f39986bd4..4f2f0f47b 100644
--- a/micronaut-maven-integration-tests/src/it/openapi-generate-client-kotlin/pom.xml
+++ b/micronaut-maven-integration-tests/src/it/openapi-generate-client-kotlin/pom.xml
@@ -21,7 +21,7 @@
     <micronaut.openapi.lang>kotlin</micronaut.openapi.lang>
     <micronaut.openapi.generate.client>true</micronaut.openapi.generate.client>
     <micronaut.openapi.client.generated.annotation>false</micronaut.openapi.client.generated.annotation>
-    <kotlinVersion>1.9.25</kotlinVersion>
+    <kotlinVersion>2.0.20</kotlinVersion>
     <maven.native.plugin.version>@native-maven-plugin.version@</maven.native.plugin.version>
   </properties>
 
diff --git a/micronaut-maven-integration-tests/src/it/openapi-generate-server-kotlin/pom.xml b/micronaut-maven-integration-tests/src/it/openapi-generate-server-kotlin/pom.xml
index dbe5b32a9..821426722 100644
--- a/micronaut-maven-integration-tests/src/it/openapi-generate-server-kotlin/pom.xml
+++ b/micronaut-maven-integration-tests/src/it/openapi-generate-server-kotlin/pom.xml
@@ -21,7 +21,7 @@
     <micronaut.openapi.lang>kotlin</micronaut.openapi.lang>
     <micronaut.openapi.generate.server>true</micronaut.openapi.generate.server>
     <micronaut.openapi.server.generated.annotation>false</micronaut.openapi.server.generated.annotation>
-    <kotlinVersion>1.9.25</kotlinVersion>
+    <kotlinVersion>2.0.20</kotlinVersion>
     <maven.native.plugin.version>@native-maven-plugin.version@</maven.native.plugin.version>
   </properties>