diff --git a/src/test/java/io/github/sinri/keel/test/lab/blocking/BlockingVerticlePlanA.java b/src/test/java/io/github/sinri/keel/test/lab/blocking/BlockingVerticlePlanA.java
index 2757e52..3210f21 100644
--- a/src/test/java/io/github/sinri/keel/test/lab/blocking/BlockingVerticlePlanA.java
+++ b/src/test/java/io/github/sinri/keel/test/lab/blocking/BlockingVerticlePlanA.java
@@ -45,7 +45,7 @@ public static void main(String[] args) {
 
 //                                System.out.println("isWorkerContext: " + futureForBlocking.context.isWorkerContext());
 //                                System.out.println("isEventLoopContext: " + futureForBlocking.context.isEventLoopContext());
-                                return Future.succeededFuture();
+                                return io.vertx.core.Future.succeededFuture();
                             })
                             .compose(ready -> {
                                 return Future.all(