diff --git a/build-constraints.yaml b/build-constraints.yaml
index dc54f302..1f1d904a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2096,7 +2096,7 @@ packages:
 
     "Michel Boucey <michel.boucey@gmail.com> @MichelBoucey":
         - IPv6Addr
-        - ip6addr < 0 # via IPv6Addr
+        - ip6addr
         - cayley-client < 0 # via lens-4.18.1
         - Spintax
         - glabrous