diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2e7fa82..a047edb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,8 @@ jobs:
         uses: kleidukos/get-tested@v0.1.7.0-rc1
         with:
           cabal-file: get-tested.cabal
-          ubuntu: true
+          ubuntu-version: latest
+          macos-version: "13"
           version: 0.1.7.0-rc1
   tests:
     name: ${{ matrix.ghc }} on ${{ matrix.os }}