diff --git a/build.gradle b/build.gradle
index 49a4714..cc96956 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,7 @@ allprojects {
         minSdkVersion = 14
 
         //publish
-        reactiveAndroidVersion = '0.3.8'
+        reactiveAndroidVersion = '0.4.0'
 
         reactiveAndroid = 'reactiveandroid'
         reactiveAndroidAppcompatV7 = 'reactiveandroid-appcompat-v7'