diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 2c2e3eb..a9e6944 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -22,7 +22,7 @@ jobs:
       with:
         submodules: 'recursive'
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2.1.3
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies