diff --git a/lib/default.nix b/lib/default.nix
index da4031f..5cd7382 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -28,7 +28,9 @@ in {
           {
             nixpkgs.overlays = [
               (self: super: {
-                matrix-conduit = nixpkgs-unstable.legacyPackages.${system}.matrix-conduit;
+                matrix-conduit = nixpkgs-unstable.legacyPackages.${system}.matrix-conduit.override {
+                  inherit (self) stdenv lib fetchFromGitLab rustPlatform pkg-config rocksdb;
+                };
               })
             ];
           }