diff --git a/gradle/plugins/src/main/java/apigen/ApiGeneratorTask.kt b/gradle/plugins/src/main/java/apigen/ApiGeneratorTask.kt
index 01d671d..152400b 100644
--- a/gradle/plugins/src/main/java/apigen/ApiGeneratorTask.kt
+++ b/gradle/plugins/src/main/java/apigen/ApiGeneratorTask.kt
@@ -152,5 +152,6 @@ abstract class ApiGeneratorTask: DefaultTask() {
             }
         }
 
+        workQueue.await()
     }
 }