diff --git a/modules/swagger-gradle-plugin/build.gradle b/modules/swagger-gradle-plugin/build.gradle
index 6f5ff46769..7d7d2420ed 100644
--- a/modules/swagger-gradle-plugin/build.gradle
+++ b/modules/swagger-gradle-plugin/build.gradle
@@ -19,7 +19,7 @@ repositories {
 }
 
 compileJava {
-    options.release = 8
+    options.release = 21
 }
 
 dependencies {