diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5d131701..c9a79f84 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4689,6 +4689,9 @@ packages:
         - microlens-platform < 0.4
         - microlens-ghc < 0.4.11
         - microlens-th < 0.4.3
+
+        # https://github.com/commercialhaskell/stackage/issues/4633
+        - hw-packed-vector < 0.1
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of