diff --git a/build-constraints.yaml b/build-constraints.yaml
index b7febd3f..6868859b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3587,6 +3587,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/3783
         - criterion < 1.5
 
+        # https://github.com/commercialhaskell/stackage/issues/3784
+        - extensible < 0.4.10
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of