diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 2c7b3e69..cbac5cd1 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -21,7 +21,7 @@ jobs:
         run: >-
           python3 -m build
       - name: Publish release to PyPI
-        uses: pypa/gh-action-pypi-publish@master
+        uses: pypa/gh-action-pypi-publish@v1.5.1
         with:
           user: __token__
           password: ${{ secrets.PYPI_TOKEN }}
diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index c3eb58fa..07b9b260 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -10,6 +10,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # Drafts your next Release notes as Pull Requests are merged into "master"
-      - uses: release-drafter/release-drafter@v5
+      - uses: release-drafter/release-drafter@v5.20.1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}