diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 27dc4dc..52a891b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,6 +4,10 @@ before_script:
   - yarn
 
 cache:
+  key:
+    files:
+      - package.json
+      - yarn.lock
   paths:
     - node_modules