diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..926a93b
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use_nix
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..959c65c
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,9 @@
+{ pkgs ? import <nixpkgs> {} }:
+  pkgs.mkShell {
+    nativeBuildInputs = with pkgs; [
+      ruff
+      poetry
+      python312
+      python312Packages.python-lsp-server
+    ];
+}