diff --git a/tools/gradle/android.properties b/tools/gradle/android.properties
index b0ee5f3..dbe836f 100644
--- a/tools/gradle/android.properties
+++ b/tools/gradle/android.properties
@@ -1,6 +1,6 @@
 // Set the default SDK and build tools version for all apps
 compileSdkVersion 21
-buildToolsVersion = '21.1.0'
+buildToolsVersion = '21.1.2'
 
 // enable Java7
 compileOptions.sourceCompatibility JavaVersion.VERSION_1_7