diff --git a/modules/periodic.nix b/modules/periodic.nix
index b38ecad..6321ccd 100644
--- a/modules/periodic.nix
+++ b/modules/periodic.nix
@@ -6,12 +6,10 @@
   systemd.user.services.doom-upgrade = {
     description = "Upgrade Doom Emacs";
     wantedBy = [ "default.target" ];
-    path = [ pkgs.emacs pkgs.git ];
-    serviceConfig = {
-      Type = "oneshot";
-      ExecStart =
-        "/bin/sh /home/coolneng/.emacs.d/bin/doom -y upgrade ; /bin/sh /home/coolneng/.emacs.d/bin/doom -y sync -u";
-    };
+    path = with pkgs; [ bash emacsGccPgtk git coreutils ];
+    script =
+      "${pkgs.bash}/bin/bash -c '/home/coolneng/.emacs.d/bin/doom -y upgrade'";
+    serviceConfig = { Type = "oneshot"; };
   };
 
   systemd.user.timers.doom-upgrade = {
@@ -27,11 +25,10 @@
   systemd.user.services.doom-purge = {
     description = "Purge Doom Emacs";
     wantedBy = [ "default.target" ];
-    path = [ pkgs.emacs ];
-    serviceConfig = {
-      Type = "oneshot";
-      ExecStart = "/bin/sh /home/coolneng/.emacs.d/bin/doom purge";
-    };
+    path = with pkgs; [ bash emacsGccPgtk git coreutils ];
+    script =
+      "${pkgs.bash}/bin/bash -c '/home/coolneng/.emacs.d/bin/doom -y purge'";
+    serviceConfig = { Type = "oneshot"; };
   };
 
   systemd.user.timers.doom-purge = {