diff --git a/build.gradle b/build.gradle
index e70a369b41..c3125d07ff 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ allprojects {
         appName = 'Mindustry'
         gdxVersion = '1.9.8'
         aiVersion = '1.8.1'
-        uCoreVersion = 'b41a747'
+        uCoreVersion = '5e20b05'
 
         getVersionString = {
             String buildVersion = getBuildVersion()
diff --git a/core/assets/version.properties b/core/assets/version.properties
index 71b26cf7e8..51e65610fb 100644
--- a/core/assets/version.properties
+++ b/core/assets/version.properties
@@ -1,7 +1,7 @@
 #Autogenerated file. Do not modify.
-#Wed Apr 11 13:05:08 EDT 2018
+#Thu Apr 12 17:32:28 EDT 2018
 version=release
-androidBuildCode=507
+androidBuildCode=511
 name=Mindustry
 code=3.5
-build=37
+build=custom build