diff --git a/package/ci/travis.yml b/package/ci/travis.yml
index a4f69b13d..1ab4a3ec4 100644
--- a/package/ci/travis.yml
+++ b/package/ci/travis.yml
@@ -113,6 +113,7 @@ notifications:
 cache:
   directories:
   - $HOME/sdl2
+  - $HOME/glfw
 
 install:
 - if [ "$TRAVIS_OS_NAME" == "linux" ] && [ "$TARGET" == "desktop" ]; then pip install --user urllib3[secure] && pip install --user cpp-coveralls && export CMAKE_CXX_FLAGS="$CMAKE_CXX_FLAGS --coverage"; fi