diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index b7a3d132..fdc57e72 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         ghc: ['8.6', '8.8', '8.10', '9.0', '9.2', '9.4', '9.6', '9.8', '9.10']
-        os: ['ubuntu-latest']
+        os: ['ubuntu-latest', 'macos-13'] # https://github.com/haskell-actions/setup/issues/77
     runs-on: ${{ matrix.os }}
 
     name: GHC ${{ matrix.ghc }} on ${{ matrix.os }}