diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6ee86a4a..5649bfaf 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3123,6 +3123,9 @@ packages:
 
         # https://github.com/fpco/stackage/issues/2477
         - intervals < 0.8
+
+        # https://github.com/fpco/stackage/issues/2478
+        - generics-sop < 0.3.0.0
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of