diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1aef31ff..d9a41f2d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,9 +4,7 @@ on: [push, pull_request]
 
 jobs:
   test:
-    # Older Ubuntu required for testing on Python 3.6 which is not available in
-    # later versions. Remove once support for 3.6 is dropped.
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]