diff --git a/build.gradle b/build.gradle
index ee4bd0447..d2672c6ed 100644
--- a/build.gradle
+++ b/build.gradle
@@ -44,7 +44,7 @@ allprojects {
     targetCompatibility = 1.8
 
     group 'org.web3j'
-    version '3.3.1'
+    version '3.4.0'
 
     apply plugin: 'java'
     apply plugin: 'jacoco'