diff --git a/README.md b/README.md
index 0c1d0e6..183bc70 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Then add a dependency on this library:
 <dependency>
     <groupId>com.github.cloudonix</groupId>
     <artifactId>vertx-java.io</artifactId>
-    <version>1.3.0</version>
+    <version>1.4.0</version>
 </dependency>
 ```