diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..1d953f4
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use nix
diff --git a/.gitignore b/.gitignore
index ea8c4bf..6abfe1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /target
+/.direnv
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..7a5a7b4
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,8 @@
+{ pkgs ? import <nixpkgs> {} }: pkgs.mkShell {
+  nativeBuildInputs = with pkgs; [
+    rustc
+    cargo
+    iconv
+  ];
+}
+