diff --git a/.travis.yml b/.travis.yml
index 53b18fb0d6f..319d5ac19ff 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ matrix:
          - ./mach build -d --verbose
          - ./mach test-unit
          - bash etc/ci/lockfile_changed.sh
-         - bash etc/ci/manifest_changed.sh          
+         - bash etc/ci/manifest_changed.sh
       cache:
         directories:
           - .cargo
@@ -26,6 +26,7 @@ matrix:
             - freeglut3-dev
             - gperf
             - libosmesa6-dev
+            - libgles2-mesa-dev
             - python-virtualenv
             - xorg-dev
             - ccache