diff --git a/modules/home/ssh.nix b/modules/home/ssh.nix
index 28ad09d..4c4c251 100644
--- a/modules/home/ssh.nix
+++ b/modules/home/ssh.nix
@@ -15,4 +15,12 @@
       cat "$key.pub"
     fi
   '';
+
+  services.ssh-agent.enable = true;
+
+  programs.gpg-agent = {
+    enable = true;
+    enableSSHSupport = false;   # ← ここが重要（衝突回避）
+    # pinentryFlavor = "gnome3" など必要に応じて
+  };
 }