diff --git a/.travis.yml b/.travis.yml
index 641d663..b298ec8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ android:
     - build-tools-21.1.1
     - android-21
     - extra-android-support
+    - extra-google-m2repository
 
 script:
   - ./gradlew test