diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index f63f769c56..b14be6e87d 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -25,7 +25,14 @@ jobs:
         sys:
           - { os: windows-latest, shell: 'C:/msys64/usr/bin/bash.exe -e {0}' }
           - { os: ubuntu-latest, shell: bash }
-          - { os: macos-latest, shell: bash}
+        include:
+          # Using include, to make sure there will only be one macOS job, even if the matrix gets expanded later on.
+          # We want a single job, because macOS runners are scarce.
+          - cabal: "3.10.2.0"
+            ghc: "9.6.4"
+            sys:
+              os: macos-latest
+              shell: bash
 
     defaults:
         run: