diff --git a/build-constraints.yaml b/build-constraints.yaml
index df2d731f..2327b14a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3652,7 +3652,7 @@ packages:
         - cachix < 0
         - cachix-api
         - elm2nix
-        - stack2nix
+        - stack2nix < 0 # https://github.com/commercialhaskell/stackage/issues/4665
         - mixpanel-client < 0 # https://github.com/domenkozar/mixpanel-client/issues/3
         - pretty-sop
         - servant-auth