diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..3df34bc
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,14 @@
+# thanks nixos wiki
+{ pkgs ? import <nixpkgs> {} }:
+
+let
+  my-python-packages = ps: with ps; [
+    openpyxl
+  ];
+in
+  pkgs.mkShell {
+    packages = [
+      (pkgs.python3.withPackages my-python-packages)
+      pkgs.libreoffice
+    ];
+  }