diff --git a/build.gradle b/build.gradle
index 3d9fc60..a4bccd2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ apply plugin: 'jacoco'
 
 allprojects {
     group = 'io.emeraldpay.polkaj'
-    version = "0.3.0.3"
+    version = "0.3.0.4"
 
     repositories {
         mavenLocal()