diff --git a/build-constraints.yaml b/build-constraints.yaml
index c6f8f26e..34af39bc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4465,6 +4465,8 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4056
         - postgresql-simple < 0.6
 
+        - generics-sop < 0.4.0.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of