diff --git a/overlays/gruvbox-nvim-delimiters/generated.nix b/overlays/gruvbox-nvim-delimiters/generated.nix
index 8da4986..7a27a3d 100644
--- a/overlays/gruvbox-nvim-delimiters/generated.nix
+++ b/overlays/gruvbox-nvim-delimiters/generated.nix
@@ -7,7 +7,7 @@ _final: prev: {
       (fetchpatch {
         name = "add-Delimiter-highlight-group.patch";
         url = "https://github.com/ellisonleao/gruvbox.nvim/commit/20f90039564b293330bf97acc36dda8dd9e721a0.patch";
-        hash = "";
+        hash = "sha256-it4SbgK/2iDVyvtXBfVW2YN9DqELfKsMkuCaunERGcE=";
       })
     ];
   });