diff --git a/shell.nix b/shell.nix
index a503d818c8e83fd0a9c8c6a36390e28e10b38600..f3d2750edd68e4861e6d0700e0259c1ce86f817a 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,4 @@
 let
-  # ourpkgs = import ./nixpkgs-ps.nix { };
   release2105 = import ./nixpkgs-2105.nix { };
 in
 { pkgs ? release2105 }:
@@ -7,7 +6,7 @@ pkgs.mkShell {
   NIX_PATH = "nixpkgs=${pkgs.path}";
   buildInputs = [
     pkgs.morph
-    release2105.vagrant
+    pkgs.vagrant
     pkgs.jp
   ];
 }