diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4b190b34..d4844813 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3126,6 +3126,9 @@ packages:
 
     "Alexey Kotlyarov <akotlyarov@seek.com.au> @koterpillar":
         - serverless-haskell
+        
+    "Tim Humphries <tim+stackage@utf8.me> @thumphries":
+        - transformers-either
 
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.