diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1d788c07a..48b6e7202 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   tests:
     name: Python ${{ matrix.python-version }}
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-20.04
 
     strategy:
       matrix: