diff --git a/package.json b/package.json
index 515c981..6b8343d 100644
--- a/package.json
+++ b/package.json
@@ -15,8 +15,10 @@
   },
   "devDependencies": {
     "parcel-bundler": "^1.12.4",
+    "rimraf": "^3.0.0"
+  },
+  "optionalDependencies": {
     "purescript": "^0.13.5",
-    "rimraf": "^3.0.0",
     "spago": "^0.12.1"
   }
 }
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..a939661
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,4 @@
+{ pkgs ? import <nixpkgs> {} }:
+  pkgs.mkShell {
+    buildInputs = [ pkgs.spago pkgs.nodejs pkgs.purescript ];
+}
\ No newline at end of file