diff --git a/flake.nix b/flake.nix
index 552f326..52982ca 100755
--- a/flake.nix
+++ b/flake.nix
@@ -8,7 +8,7 @@
     # nixpkgs
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     nixpkgs-last-unstable.url = "github:NixOS/nixpkgs/6b4955211758ba47fac850c040a27f23b9b4008f";
-    calibre.url = "github:NixOS/nixpkgs/c7e00447194154630ea33ad4453e5b35c1720eaa";
+    calibre.url = "github:NixOS/nixpkgs/77c8deff64842c1c54aabafdc00324fd87bdcce0";
     #nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     nixpkgs-master.url = "github:NixOS/nixpkgs/master"; # e63467437ce61d8d9a36e09254e8d07b472da0c6 # 72353fc1fa61189fb76133d50c519e871c858c39 # 5b38c7435fb1112a8b36b1652286996a7998c5b5
     nixpkgs-stable.url = "github:NixOS/nixpkgs/nixos-25.05";