diff --git a/configuration.nix b/configuration.nix
index 1a56cd5..bc6dd96 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -129,7 +129,8 @@ with pkgs;
       "--commit-lock-file"
     ];
   };
-  # Add git-crypt to the auto-upgrade service
+
+  # Add required dependencies to the auto-upgrade service
   systemd.services.nixos-upgrade.path = [
     coreutils
     gnutar
@@ -139,6 +140,7 @@ with pkgs;
     config.nix.package.out
     config.programs.ssh.package
     git-crypt
+    inputs.agenix.packages.x86_64-linux.default
   ];
 
   # Configure git for auto-upgrade