diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0652760..04e2143 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: '3.x'
+          python-version: '3.9'
       - name: Install Dependencies
         run: |
           sudo apt-get install pandoc