diff --git a/configs/manager.nix b/configs/manager.nix
index 3d67ea3..ae0b3e3 100644
--- a/configs/manager.nix
+++ b/configs/manager.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, pkgs, ... }:
 with lib; {
   options = {
     nixManager = {
@@ -14,11 +14,11 @@ with lib; {
   };
 
   config = mkIf config.nixManager.enable {
-    #sops.defaultSopsFile = ../manager.yaml;
     sops.defaultSopsFile = config.xin-secrets.manager;
     sops.secrets = {
       manager_key = { owner = config.nixManager.user; };
       manager_pubkey = { owner = config.nixManager.user; };
     };
+    environment.systemPackages = with pkgs; [ microca ];
   };
 }
diff --git a/flake.nix b/flake.nix
index b5079ae..70ab4ca 100644
--- a/flake.nix
+++ b/flake.nix
@@ -54,6 +54,7 @@
         overlays = [
           flakes.emacs-overlay.overlay
           flakes.peerix.overlay
+          flakes.microca.overlay
 
         ];
         modules = [
@@ -68,7 +69,11 @@
         ];
       };
 
-      overlays = [ flakes.emacs-overlay.overlay flakes.peerix.overlay ];
+      overlays = [
+        flakes.emacs-overlay.overlay
+        flakes.peerix.overlay
+        flakes.microca.overlay
+      ];
 
       buildVer = { system.configurationRevision = self.rev or "DIRTY"; };
       buildShell = pkgs: