diff --git a/.travis.yml b/.travis.yml
index 017bd546a..d668f8e52 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,9 @@ addons:
     - gcc-8
     - g++-8
     - clang
+    - libgl1-mesa-dev
+    - x11proto-core-dev
+    - libx11-dev
 
 before_script:
   - git clone --depth 1 https://github.com/bkaradzic/bx ../bx