diff --git a/build-constraints.yaml b/build-constraints.yaml
index f4ea0deb..1009ce8a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2960,6 +2960,7 @@ packages:
         - quadratic-irrational
         - quickcheck-classes
         - arithmoi
+        - bitvec
 
     "Ashley Yakeley <ashley@semantic.org> @AshleyYakeley":
         - countable