diff --git a/build.gradle b/build.gradle
index 26825b1..91aed46 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,8 +4,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.9.0'
-        classpath 'com.android.tools.build:gradle:0.7.+'
+        classpath 'com.android.tools.build:gradle:0.9.0+'
         classpath 'com.alexvasilkov:android_sign:0.2'
     }
 }