diff --git a/cpp/flake.nix b/cpp/flake.nix
index c9227d7..156da4e 100644
--- a/cpp/flake.nix
+++ b/cpp/flake.nix
@@ -16,6 +16,8 @@
           ninja
           gdb
           pkg-config
+          valgrind
+          bind
         ];
 
         buildInputs = with pkgs; [