diff --git a/.travis.yml b/.travis.yml
index 78f36a5a1..fbb8b46ab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,9 @@ addons:
   apt:
     packages:
       - libarchive-dev
+      - libgd-dev
+      - libffi-dev
+      - libbz2-dev
 services:
   - memcached
 env: