diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 11ade0a..4ea6f78 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -11,7 +11,7 @@ jobs:
   test-bot:
     strategy:
       matrix:
-        os: [macos-13, ubuntu-22.04]
+        os: [macos-13]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Set up Homebrew