diff --git a/build-constraints.yaml b/build-constraints.yaml
index 53608200..b51b1101 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3053,7 +3053,11 @@ packages:
 
     "Stevan Andjelkovic <stevan@advancedtelematic.com> @stevana":
         - quickcheck-state-machine
-        
+
+    "Sebastian Nagel <sebastian.nagel@ncoding.at> @ch1bo":
+        - hdevtools
+        - servant-exceptions
+ 
     # 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