diff --git a/build.gradle b/build.gradle
index 19d4a90..7211873 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,11 +2,11 @@
 
 buildscript {
     ext {
-        appVersionName = "0.4.1"
-        appVersionCode = 12
+        appVersionName = "0.4.2"
+        appVersionCode = 13
 
         kotlin_version = "1.1.0-beta-38"
-        prepareToRelease = false
+        prepareToRelease = true
     }
 
     repositories {