diff --git a/.travis.yml b/.travis.yml
index b70d3ddc5260a..7da4dfa921084 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -66,6 +66,7 @@ cache:
 # end_cache_directories
   - packages/java-debug/download
   - packages/debug-nodejs/download
+  - /tmp/vscode-ripgrep-cache-1.2.4
 branches:
   only:
   - master
@@ -87,6 +88,9 @@ addons:
     - libxkbfile-dev
     chrome: stable
 before_install:
+  - ls -l /tmp/vscode-ripgrep-cache-1.2.4
+  - ls -l node_modules
+  - ls -l /home/travis/build/theia-ide/theia/node_modules
   - |
     if [ "$TRAVIS_OS_NAME" == "linux" ]; then
       export DISPLAY=:99.0