diff --git a/.travis.yml b/.travis.yml
index ba37552..fb77af3 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,4 +4,9 @@ android:
   components:
     - build-tools-26.0.2
     - android-26
+    - add-on
     - extra
+  licenses:
+    - 'android-sdk-preview-license-52d11cd2'
+    - 'android-sdk-license-.+'
+    - 'google-gdk-license-.+'
\ No newline at end of file