diff --git a/build-constraints.yaml b/build-constraints.yaml
index c05d3c83..0bdddcb8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1036,7 +1036,7 @@ packages:
         - ace
         - check-email
         - freenect
-        - frisby
+        - frisby < 0 # ghc-9.6
         - gd
         - hostname-validate
         - lucid