diff --git a/.envrc b/.envrc
index 5fde060..dee5057 100644
--- a/.envrc
+++ b/.envrc
@@ -1 +1,2 @@
+use_nix
 layout poetry
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..91af451
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,15 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+
+  buildInputs = [
+    pkgs.python3
+    pkgs.poetry
+    pkgs.xdotool
+  ];
+
+  # DOES NOT WORK. LD_LIBRARY_PATH="${pkgs.xdotool}/lib";
+  # (no longer needed since we don't use libxdo; just use xdotool)
+
+}
+