diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index 905d6132f0..245fae18e4 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -55,6 +55,7 @@ jobs:
         with:
           python-version: '3.13'
           cache: pip
+          cache-dependency-path: mkdocs-reqs.txt
           
       - name: Ensure mkdocs is available
         run: make ensure-mkdocs