diff --git a/.github/workflows/pythonpublish.yaml b/.github/workflows/pythonpublish.yaml
index 6842c45..210e773 100644
--- a/.github/workflows/pythonpublish.yaml
+++ b/.github/workflows/pythonpublish.yaml
@@ -71,7 +71,7 @@ jobs:
           name: releases
           path: dist
       - name: Publish package to TestPyPI
-        uses: pypa/gh-action-pypi-publish@v1.6.1
+        uses: pypa/gh-action-pypi-publish@v1.6.4
         with:
           user: __token__
           repository_url: https://test.pypi.org/legacy/
@@ -87,7 +87,7 @@ jobs:
           name: releases
           path: dist
       - name: Publish package to PyPI
-        uses: pypa/gh-action-pypi-publish@v1.6.1
+        uses: pypa/gh-action-pypi-publish@v1.6.4
         with:
           user: __token__
           password: ${{ secrets.PYPI_TOKEN }}