diff --git a/build-constraints.yaml b/build-constraints.yaml
index 213d9e5d..f6cefc4e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2099,7 +2099,7 @@ packages:
         - emailaddress < 0  # opaleye
         - envelope
         - from-sum
-        - hailgun < 0 # via exceptions-0.10.0
+        - hailgun
         - hailgun-simple < 0 # via hailgun
         - natural-transformation
         # - opaleye-trans # product-profunctors 0.9