diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c9ceb086..0ab64801 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -40,7 +40,7 @@ jobs:
       with:
         python-version: ${{ matrix.python }}
     - name: Set up Python ${{ matrix.python }} using deadsnakes
-    - uses: deadsnakes/action@v2.1.1
+      uses: deadsnakes/action@v2.1.1
       if: "endsWith(matrix.python, '-dev')"
       with:
         python-version: ${{ matrix.python }}