diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5b9dee00..9cf6a1e7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3716,6 +3716,7 @@ hide:
 - objective # conflicts with Control.Object in natural-transformation
 - binary-ieee754 # conflicts with data-binary-ieee754
 - rerebase # conflicts with base
+- matrices # conflicts with matrix
 
 # Cryptonite deprecations
 - cipher-aes