diff --git a/build-constraints.yaml b/build-constraints.yaml
index b2e9fe82..ec07d9cb 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2127,6 +2127,7 @@ packages:
 
     "Kai Zhang <kai@kzhang.org> @kaizhang":
         - matrices
+        - haskell-igraph
 
     "Michel Boucey <michel.boucey@gmail.com> @MichelBoucey":
         - IPv6Addr