diff --git a/build-constraints.yaml b/build-constraints.yaml
index f02a98bd..118f1d81 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1925,6 +1925,9 @@ packages:
         # https://github.com/fpco/stackage/issues/1145
         - kan-extensions < 5
 
+        # https://github.com/fpco/stackage/issues/1146
+        - transformers-compat < 0.5
+
 # end of packages