diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b14edb8..5dc2d7e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ name: CI
 jobs:
   run-tests:
     name: Run Tests
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     container: python:${{ matrix.env.python }}-buster
 
     strategy: