diff --git a/build.gradle b/build.gradle
index 0c8deea4cd..4b4ab3045a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ allprojects {
         appName = 'Mindustry'
         gdxVersion = '1.9.8'
         aiVersion = '1.8.1'
-        uCoreVersion = '1b29d6c'
+        uCoreVersion = '0a15aeb'
 
         getVersionString = {
             String buildVersion = getBuildVersion()
diff --git a/core/assets/version.properties b/core/assets/version.properties
index fbae5cf26f..a98e97f755 100644
--- a/core/assets/version.properties
+++ b/core/assets/version.properties
@@ -1,7 +1,7 @@
 #Autogenerated file. Do not modify.
-#Tue Feb 27 19:00:42 EST 2018
+#Tue Feb 27 19:35:27 EST 2018
 version=release
-androidBuildCode=311
+androidBuildCode=313
 name=Mindustry
 code=3.4
 build=29