diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d5a8b407..709358f5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,11 +44,11 @@ jobs:
           #   tox: py39
 
           - name: "Lint: check-manifest"
-            python: "3.9"
+            python: "3.7"
             tox: check-manifest
 
           - name: "Lint: flake8"
-            python: "3.9"
+            python: "3.7"
             tox: flake8
 
     name: ${{ matrix.name }}