diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..5627f92
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,13 @@
+# shell.nix
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+  buildInputs = [
+    (pkgs.python3.withPackages (ps: with ps; [
+        numpy
+        openpyxl
+        pandas
+    ]))
+  ];
+}
+