diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 493a5e4..7fcf0cb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,6 +26,10 @@ jobs:
       with:
         swift-version: ${{ matrix.swift }}
 
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '2.7'
+
     - name: Install variants
       run: make install