diff --git a/nix/os/devices/srv0.home-ch.stefanjunker.de/versions.nix b/nix/os/devices/srv0.home-ch.stefanjunker.de/versions.nix
index d867a3b..33e8f1a 100644
--- a/nix/os/devices/srv0.home-ch.stefanjunker.de/versions.nix
+++ b/nix/os/devices/srv0.home-ch.stefanjunker.de/versions.nix
@@ -2,7 +2,7 @@ let
   nixpkgs = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "nixos-20.09";
-    rev = "f18fbc33930d7569cfedb8acd75177d0ff7c8678";
+    rev = "ac60476ed94fd5424d9f3410c438825f793a8cbb";
   };
 in
 
@@ -12,7 +12,7 @@ in
   "channels-nixos-20.03" = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "nixos-20.03";
-    rev = "929768261a3ede470eafb58d5b819e1a848aa8bf";
+    rev = "1db42b7fe3878f3f5f7a4f2dc210772fd080e205";
   };
   "channels-nixos-19.09" = {
     url = "https://github.com/NixOS/nixpkgs/";
@@ -22,16 +22,16 @@ in
   "channels-nixos-unstable" = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "nixos-unstable";
-    rev = "891f607d5301d6730cb1f9dcf3618bcb1ab7f10e";
+    rev = "900115a4f7fdd9189e7803ca781a65be663f2c89";
   };
   "nixpkgs-master" = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "master";
-    rev = "fb3970ef7d144525dfcd1c39c0d0d122d248b185";
+    rev = "f0fa05742058fef85c49e132c2851940915698ef";
   };
   "home-manager-module" = {
     url = "https://github.com/nix-community/home-manager";
     ref = "release-20.09";
-    rev = "91bd34620d73340be03642279ee0d1c64110ee6c";
+    rev = "2aa20ae969f2597c4df10a094440a66e9d7f8c86";
   };
 }