diff --git a/build-constraints.yaml b/build-constraints.yaml
index c8855d63..08089cae 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2525,7 +2525,7 @@ packages:
         - every
         - extractable-singleton
         - follow-file < 0 # 0.0.3 compile fail https://github.com/athanclark/follow-file/issues/1
-        - HSet < 0 # 0.0.1 compile fail: duplicate Hashable instance
+        - HSet
         - markup
         - monad-control-aligned
         - monadoid