diff --git a/build-constraints.yaml b/build-constraints.yaml
index f17e62e4..6fa6f0a4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3787,6 +3787,12 @@ packages:
         - ucam-webauth
         - ucam-webauth-types
 
+    "Greg Pfeil <greg@technomadic.org> @sellout":
+        - dualizer
+        - yaya
+        - yaya-hedgehog
+        - yaya-unsafe
+
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056