diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f90d4aeb7..89dc8fde9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -42,12 +42,10 @@ jobs:
       with:
         python-version: ${{ matrix.python }}
     - name: Set up Python ${{ matrix.python }} (deadsnakes)
-      uses: deadsnakes/action@v1.0.0
+      uses: deadsnakes/action@v2.0.1
       if: endsWith(matrix.python, '-dev')
       with:
         python-version: ${{ matrix.python }}
-      env:
-        ACTIONS_ALLOW_UNSECURE_COMMANDS: true
     - name: Check Python version
       run: python --version
     - name: Install graphviz