diff --git a/shell.nix b/shell.nix
index 9461804c..1065f7d6 100644
--- a/shell.nix
+++ b/shell.nix
@@ -29,6 +29,7 @@ in
     packages = with pkgs;
       [
         doctoc
+        python3
       ]
       ++ hooks.enabledPackages;