diff --git a/build-constraints.yaml b/build-constraints.yaml
index a472f0a7..59071a09 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1626,6 +1626,9 @@ packages:
         # https://github.com/purescript/purescript/issues/1544
         - purescript < 0.7.5
 
+        # https://github.com/fpco/stackage/issues/922
+        - generics-sop < 0.2
+
 # end of packages