diff --git a/nix/home-manager/configuration/graphical-fullblown.nix b/nix/home-manager/configuration/graphical-fullblown.nix
index 6578cbf..357ba6b 100644
--- a/nix/home-manager/configuration/graphical-fullblown.nix
+++ b/nix/home-manager/configuration/graphical-fullblown.nix
@@ -139,7 +139,7 @@ in {
       aspellDicts.en
       aspellDicts.de
       unstablepkgs.skype
-      zoom-us
+      # zoom-us # broken as of 2019-10-30
       unstablepkgs.bluejeans-gui
       thunderbird
       gnome3.evolution # gnome4.glib_networking
diff --git a/nix/os/devices/steveej-t480s-work/versions.nix b/nix/os/devices/steveej-t480s-work/versions.nix
index 6d94e8b..acc8b1b 100644
--- a/nix/os/devices/steveej-t480s-work/versions.nix
+++ b/nix/os/devices/steveej-t480s-work/versions.nix
@@ -1,20 +1,20 @@
 {
   channelsNixosStable = {
-    ref = "nixos-19.03";
-    rev = "aef662d2eb532eeb9976068fd1705e3cf3663054";
+    ref = "nixos-19.09";
+    rev = "c5aabb0d603e2c1ea05f5a93b3be82437f5ebf31";
   };
   channelsNixosUnstable = {
     ref = "nixos-unstable";
-    rev = "73392e79aa62e406683d6a732eb4f4101f4732be";
+    rev = "7827d3f4497ed722fedca57fd4d5ca1a65c38256";
   };
   nixpkgsMaster = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "master";
-    rev = "51aa3cc4855c5964a6e71adcf7b79c1a0c23f322";
+    rev = "f6501c42cdf723d8c2c50aef5b96cc54826ae18f";
   };
   homeManagerModule = {
     url = "https://github.com/rycee/home-manager";
     ref = "master";
-    rev = "95382060ebaa19ec49a861921216b1db8460b314";
+    rev = "450571056552c9311fcb2894328696b535265593";
   };
 }
diff --git a/nix/os/profiles/graphical/system.nix b/nix/os/profiles/graphical/system.nix
index b8bf258..008464c 100644
--- a/nix/os/profiles/graphical/system.nix
+++ b/nix/os/profiles/graphical/system.nix
@@ -68,19 +68,24 @@
     };
   };
 
+  services.gvfs.enable = true;
+  programs.seahorse.enable = true;
+  programs.gpaste.enable = false;
+  programs.gnome-terminal.enable = false;
+  programs.gnome-documents.enable = false;
+  programs.gnome-disks.enable = false;
+
   services.gnome3 = {
-    gnome-disks.enable = false;
-    gnome-documents.enable = false;
-    gnome-online-miners.enable = false;
+    # gnome-online-miners.enable = false; TODO: enable this again
+    games.enable = false;
+    gnome-remote-desktop.enable = false;
     gnome-user-share.enable = false;
-    gnome-terminal-server.enable = false;
-    gpaste.enable = false;
+    rygel.enable = false;
     sushi.enable = false;
     tracker.enable = false;
+    tracker-miners.enable = false;
 
     # FIXME: gnome should be moved to user session
-    seahorse.enable = true;
-    gvfs.enable = true;
     at-spi2-core.enable = true;
     evolution-data-server.enable = true;
     gnome-online-accounts.enable = true;
diff --git a/nix/overlay.nix b/nix/overlay.nix
index 886dfa8..eb71e23 100644
--- a/nix/overlay.nix
+++ b/nix/overlay.nix
@@ -71,4 +71,7 @@ in {
     });
 
   rdedup = super.callPackages ./pkgs/rdedup {};
+
+  # TODO: facetimehd is currfently broken (https://github.com/NixOS/nixpkgs/pull/72804)
+  facetimehd-firmware = super.hello;
 }
diff --git a/nix/variables/versions.tmpl.nix b/nix/variables/versions.tmpl.nix
index 9f35d77..92eaa01 100644
--- a/nix/variables/versions.tmpl.nix
+++ b/nix/variables/versions.tmpl.nix
@@ -1,7 +1,7 @@
 {
   channelsNixosStable = {
-    ref = "nixos-19.03";
-    rev = "<% git ls-remote https://github.com/nixos/nixpkgs-channels nixos-19.03 | awk '{ print $1 }' | tr -d '\n' -%>";
+    ref = "nixos-19.09";
+    rev = "<% git ls-remote https://github.com/nixos/nixpkgs-channels nixos-19.09 | awk '{ print $1 }' | tr -d '\n' -%>";
   };
   channelsNixosUnstable = {
     ref = "nixos-unstable";