diff --git a/build-constraints.yaml b/build-constraints.yaml
index 98b25aca..faa548c4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2894,6 +2894,19 @@ packages:
 
     "Hans-Peter Deifel <hpd@hpdeifel.de> @hpdeifel":
         - hledger-iadd
+        
+    "Boldizsár Németh <nboldi@elte.hu> @nboldi":
+        - instance-control
+        - references
+        - haskell-tools-ast
+        - haskell-tools-backend-ghc
+        - haskell-tools-rewrite
+        - haskell-tools-prettyprint
+        - haskell-tools-refactor
+        - haskell-tools-demo
+        - haskell-tools-cli
+        - haskell-tools-daemon
+        - haskell-tools-debug
 
     "Roy Levien <royl@aldaron.com> @orome":
         - crypto-enigma