diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 392f396f1..fad98a211 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -37,8 +37,8 @@ jobs:
         # - { ghc: "82"  , stack: "stack --stack-yaml=stack8.2.yaml" }
         # - { ghc: "84"  , stack: "stack --stack-yaml=stack8.4.yaml" }
         # - { ghc: "86"    , stack: "stack --stack-yaml=stack8.6.yaml" }
-        - { ghc: "88"  , stack: "stack --stack-yaml=stack.yaml" }
-        # - { ghc: "810" , stack: "stack --stack-yaml=stack8.10.yaml" }
+        # - { ghc: "88"  , stack: "stack --stack-yaml=stack.yaml" }
+        - { ghc: "810" , stack: "stack --stack-yaml=stack8.10.yaml" }
 
     steps: