diff --git a/build-constraints.yaml b/build-constraints.yaml
index 89bf649c..b90d5b06 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2358,7 +2358,7 @@ packages:
         - cabal2nix
         - cabal2spec
         - cgi
-        - distribution-nixpkgs
+        - distribution-nixpkgs < 1.2 # https://github.com/commercialhaskell/stackage/issues/4406
         - distribution-opensuse
         - flexible-defaults
         - funcmp