diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 95234b3c..3ff4e02b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,6 +44,7 @@ jobs:
         with:
           node-version: 20
           cache: 'npm'
+          cache-dependency-path: subdir/package-lock.json
       - name: Install dependancies
         run: npm ci
       - name: Build