diff --git a/.travis.yml b/.travis.yml
index 659a8e7c6..1e5a5c2f7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -45,7 +45,9 @@ addons:
       - xutils-dev
       - yasm
       - ffmpeg
+      - libswresample-ffmpeg-dev
       - libswscale-dev
+      - libpostproc-dev
       - libavfilter-dev
       - libavutil-dev
       - libavformat-dev