diff --git a/env/cpp.nix b/env/cpp.nix
new file mode 100644
index 0000000..0749d77
--- /dev/null
+++ b/env/cpp.nix
@@ -0,0 +1,5 @@
+{ pkgs ? import <nixpkgs> { } }:
+
+with pkgs;
+
+mkShell { buildInputs = [ ccls cmake ]; }