diff --git a/circle.yml b/circle.yml
index cd0055d..7984192 100644
--- a/circle.yml
+++ b/circle.yml
@@ -8,6 +8,7 @@ machine:
 
 dependencies:
     override:
+        - chmod +x gradlew
         - echo y | android update sdk --no-ui --all --filter tools,platform-tools,build-tools-26.0.0,android-25,extra-google-m2repository,extra-android-m2repository,extra-android-support
         - ANDROID_HOME=/usr/local/android-sdk-linux ./gradlew dependencies