diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..acd2e1b
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,2 @@
+watch_file shell.nix
+use nix
diff --git a/.gitignore b/.gitignore
index daa834e..c9582a7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.direnv
 node_modules
 .DS_Store
 dist
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..9ae65eb
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,8 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+  buildInputs = [
+    pkgs.nodejs
+    pkgs.nodePackages.lerna
+  ];
+}