diff --git a/build.gradle b/build.gradle
index 8dfffa630d..2362e21495 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ allprojects {
         appName = 'Mindustry'
         gdxVersion = '1.9.8'
         aiVersion = '1.8.1'
-        uCoreVersion = 'e2f97de'
+        uCoreVersion = '7f46315'
 
         getVersionString = {
             String buildVersion = getBuildVersion()
diff --git a/core/assets/version.properties b/core/assets/version.properties
index 2d5378a8ff..25337a7f4b 100644
--- a/core/assets/version.properties
+++ b/core/assets/version.properties
@@ -1,7 +1,7 @@
 #Autogenerated file. Do not modify.
-#Sat Mar 03 11:31:02 EST 2018
+#Sat Mar 03 11:43:34 EST 2018
 version=release
-androidBuildCode=330
+androidBuildCode=331
 name=Mindustry
 code=3.4
-build=custom build
+build=30