diff --git a/.github/workflows/test-docs.yml b/.github/workflows/test-docs.yml
index bfd95db..0cb5f4f 100644
--- a/.github/workflows/test-docs.yml
+++ b/.github/workflows/test-docs.yml
@@ -28,6 +28,7 @@ jobs:
         with:
           node-version: lts/*
           cache: npm
+          cache-dependency-path: docs/package-lock.json
 
       - name: Install dependencies
         run: npm ci