diff --git a/build-constraints.yaml b/build-constraints.yaml
index ee9556a7..1b673f28 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -33,7 +33,7 @@ packages:
         - filepath-bytestring
         - download-curl
         - cabal2nix
-        - distribution-nixpkgs # 1.7 # https://github.com/commercialhaskell/stackage/issues/6595
+        - distribution-nixpkgs < 1.7 # https://github.com/commercialhaskell/stackage/issues/6595
         - hackage-db
         - language-nix
         - jailbreak-cabal