diff --git a/build-constraints.yaml b/build-constraints.yaml
index ddf7e705..152b60a8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3382,6 +3382,10 @@ packages:
         - llvm-hs < 5.0.0
         - llvm-hs-pure == 4.1.0.0
 
+        # https://github.com/fpco/stackage-curator/issues/46
+        - stackage-curator < 0.15.0.0
+        - stackage2nix < 0.3.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of