diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 74a8bbf..7e7ca4c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,9 @@
 
-image: node:latest
+image: node:6.11.1
 
 pages:
   script:
+  - npm cache clean --force
   - npm install
   - npm install gulp -g
   - gulp build --cwd ./themes/starter