diff --git a/build-constraints.yaml b/build-constraints.yaml
index 69dbf14b..b0ba2a5b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -16,6 +16,11 @@ packages:
         - gopher-proxy
         - filepath-bytestring
         - download-curl
+        - cabal2nix
+        - distribution-nixpkgs
+        - hackage-db
+        - language-nix
+        - jailbreak-cabal
 
     "Profpatsch <mail@profpatsch.de> @Profpatsch":
         - error