diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index f936037..65af1f4 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -17,7 +17,7 @@ jobs:
         with:
           fetch-depth: 0
           submodules: true
-      - uses: ammaraskar/sphinx-action@master
+      - uses: ammaraskar/sphinx-action@8.0.2
         with:
           docs-folder: "docs/"
       - uses: JamesIves/github-pages-deploy-action@v4