diff --git a/desktop/gnome.nix b/desktop/gnome.nix
index df96bb3..dfc1cbb 100644
--- a/desktop/gnome.nix
+++ b/desktop/gnome.nix
@@ -25,9 +25,9 @@ let
 in {
   environment.systemPackages = with pkgs;
     with gnomeExtensions; [
-      gnome3.dconf-editor
-      gnome3.gnome-tweaks
-      gnome3.gnome-shell-extensions # required for user-theme
+      gnome.dconf-editor
+      gnome.gnome-tweaks
+      gnome.gnome-shell-extensions # required for user-theme
       dash-to-panel
       appindicator
       pop-shell
@@ -35,21 +35,21 @@ in {
 
   services.xserver.displayManager.gdm.enable = true;
   services.xserver.displayManager.gdm.wayland = false;
-  services.xserver.desktopManager.gnome3.enable = true;
-  services.xserver.desktopManager.gnome3.extraGSettingsOverrides = ''
+  services.xserver.desktopManager.gnome.enable = true;
+  services.xserver.desktopManager.gnome.extraGSettingsOverrides = ''
     [org/gnome/desktop/input-sources]
     sources=[('xkb', 'gb'), ('xkb', 'mozc-jp')]
   '';
 
   # exclude some default applications
-  environment.gnome3.excludePackages = with pkgs; [
-    gnome3.gnome-weather
-    gnome3.gnome-calendar
-    gnome3.gnome-maps
-    gnome3.gnome-contacts
-    gnome3.gnome-software
-    gnome3.totem
-    gnome3.epiphany
+  environment.gnome.excludePackages = with pkgs; [
+    gnome.gnome-weather
+    gnome.gnome-calendar
+    gnome.gnome-maps
+    gnome.gnome-contacts
+    gnome.gnome-software
+    gnome.totem
+    gnome.epiphany
   ];
   programs.gnome-terminal.enable = false;
   programs.geary.enable = false;
diff --git a/desktop/gtk.nix b/desktop/gtk.nix
index f7d82f8..5b2ef74 100644
--- a/desktop/gtk.nix
+++ b/desktop/gtk.nix
@@ -1,5 +1,5 @@
 { config, pkgs, ... }:
 
 {
-  services.dbus.packages = with pkgs; [ gnome3.dconf ];
+  services.dbus.packages = with pkgs; [ gnome.dconf ];
 }
diff --git a/flake.lock b/flake.lock
index a38a49e..ea0d4cb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1619345332,
-        "narHash": "sha256-qHnQkEp1uklKTpx3MvKtY6xzgcqXDsz5nLilbbuL+3A=",
+        "lastModified": 1620759905,
+        "narHash": "sha256-WiyWawrgmyN0EdmiHyG2V+fqReiVi8bM9cRdMaKQOFg=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "2ebf2558e5bf978c7fb8ea927dfaed8fefab2e28",
+        "rev": "b543720b25df6ffdfcf9227afafc5b8c1fabfae8",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1620138697,
-        "narHash": "sha256-8Mgj+Fj4zGEI7oA9wbyqvdwq+46kAyd3barMIedWkho=",
+        "lastModified": 1620692082,
+        "narHash": "sha256-s/eBXs4OI47yPWNTKoAg4f/H7wMLyO+VEMmobXkzfI8=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "64c5228c0828fff0c94c1d42f7225115c299ae08",
+        "rev": "23769994e8f7b212d9a257799173b120ed87736b",
         "type": "github"
       },
       "original": {
@@ -38,11 +38,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1620074890,
-        "narHash": "sha256-4Z8Zwpg0gPvqKbSsck1g9ql4E5NClGZdjyxbYoaXA4s=",
+        "lastModified": 1620741912,
+        "narHash": "sha256-TvAEtovofPE7CQiRt2+LNmn2qeCMF1gLXAfs34a0zqA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7cb76200088f45cd24a9aa67fd2f9657943d78a4",
+        "rev": "ca26ea50d66737922d0edfaaf07449576ece7f8c",
         "type": "github"
       },
       "original": {
@@ -69,11 +69,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1620161416,
-        "narHash": "sha256-GoKpxMWJrBMkVTvoKfRFedu7K+wUrbZUuMqTearjiu8=",
+        "lastModified": 1620844966,
+        "narHash": "sha256-CrTFpHOp71NUbv9tKmVZ5idgEbleMK7XoIQv3bcvBmE=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "ead34572175dc6de3b96b7ad6996315f84bede90",
+        "rev": "258c685d1e2796855524427ccf6f0a65461443e4",
         "type": "github"
       },
       "original": {
@@ -126,13 +126,18 @@
         "ranz2nix": "ranz2nix"
       },
       "locked": {
-        "narHash": "sha256-zRvlPfGChGfnrVjWuQ3D2w4iLJTbVttVIvt6BJpzwUw=",
-        "path": "photoprism-flake",
-        "type": "path"
+        "lastModified": 1617552772,
+        "narHash": "sha256-qwx9FXWyVctsQ71at/SMuQqWLqb8PsWO70rGhl89ISc=",
+        "owner": "felschr",
+        "repo": "photoprism-flake",
+        "rev": "506288386361021db9b8b0c878ffe317bcc8a11c",
+        "type": "github"
       },
       "original": {
-        "path": "photoprism-flake",
-        "type": "path"
+        "owner": "felschr",
+        "ref": "multi-arch",
+        "repo": "photoprism-flake",
+        "type": "github"
       }
     },
     "pre-commit-hooks": {