diff --git a/tongfang/nixos/users.nix b/tongfang/nixos/users.nix
index ff1f03b..fc1f4a3 100644
--- a/tongfang/nixos/users.nix
+++ b/tongfang/nixos/users.nix
@@ -32,7 +32,7 @@
     "electron-27.3.11"
   ];
 
-  # SSH agent configurations
+  # SSH agent configuration
   programs.ssh.startAgent = true;
   programs.ssh.extraConfig = ''
     Host *
@@ -40,4 +40,8 @@
       ServerAliveInterval 60
       ServerAliveCountMax 3
   '';
+
+  # GPG agent configuration
+  programs.gnupg.agent.enable = true;
+  programs.gnupg.dirmngr.enable = true;
 }