diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3092eec3..271fe977 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,9 @@
 image: node:9.3
 
 cache:
+  key: ${CI_COMMIT_REF_SLUG}
   paths:
-  - node_modules
+  - node_modules/
 
 stages:
   - test