diff --git a/modules/openapi-generator-gradle-plugin/build.gradle b/modules/openapi-generator-gradle-plugin/build.gradle
index 81f0a8148fe..29c7d748f13 100644
--- a/modules/openapi-generator-gradle-plugin/build.gradle
+++ b/modules/openapi-generator-gradle-plugin/build.gradle
@@ -63,7 +63,7 @@ tasks.named("test", Test).configure {
 
 tasks.withType(KotlinCompile).configureEach {
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "11"
     }
 }