diff --git a/.travis.yml b/.travis.yml
index a4791d5..13a4299 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 language: android
 env:
+  components:
+    - build-tools-20.0.0
   matrix:
     - ANDROID_SDKS=android-19,sysimg-19 ANDROID_TARGET=android-19 ANDROID_ABI=armeabi-v7a
 before_install: