diff --git a/.github/workflows/downgrade.yml b/.github/workflows/downgrade.yml
index 6dfc2377d..761a4961a 100644
--- a/.github/workflows/downgrade.yml
+++ b/.github/workflows/downgrade.yml
@@ -8,6 +8,8 @@ on:
     branches: [master, main]
     paths-ignore:
       - 'docs/**'
+env:
+  PYTHON: ~
 jobs:
   test:
     runs-on: ubuntu-latest