diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index c3d2f330b..5d46f93ba 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -22,7 +22,8 @@ jobs:
         # - { ghc: "88"  , stack: "stack --stack-yaml=stack8.8.yaml" }
         # - { ghc: "810" , stack: "stack --stack-yaml=stack8.10.yaml" }
         # XXX func tests in bin should be run only with GHC 8.10 for now (see shelltest below) (?)
-        - { ghc: "90" , stack: "stack --stack-yaml=stack.yaml" }
+        # - { ghc: "90" , stack: "stack --stack-yaml=stack9.0.yaml" }
+        - { ghc: "92" , stack: "stack --stack-yaml=stack.yaml" }
 
     steps: