diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4cb621d1..dc455bf8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3397,7 +3397,8 @@ packages:
 
         # https://github.com/fpco/stackage/issues/3294
         # https://github.com/commercialhaskell/stack/issues/3871
-        - hpack < 0.27.0
+        - hpack < 0.26.0
+        - cabal2nix < 2.8.2
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of