diff --git a/.github/workflows/publish_docs.yml b/.github/workflows/publish_docs.yml
index b276734..eebfb6f 100644
--- a/.github/workflows/publish_docs.yml
+++ b/.github/workflows/publish_docs.yml
@@ -16,3 +16,4 @@ jobs:
         uses: mhausenblas/mkdocs-deploy-gh-pages@master
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CONFIG_FILE: docs/mkdocs.yml