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 519781a..d867a3b 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 = "51aaa3fa1b69559456f9bd4968bd5b179a784f67";
+    rev = "f18fbc33930d7569cfedb8acd75177d0ff7c8678";
   };
 in
 
@@ -12,7 +12,7 @@ in
   "channels-nixos-20.03" = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "nixos-20.03";
-    rev = "ff6fda61600cc60404bab5cb6b18b8636785b7bc";
+    rev = "929768261a3ede470eafb58d5b819e1a848aa8bf";
   };
   "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 = "24c9b05ac53e422f1af81a156f1fd58499eb27fb";
+    rev = "891f607d5301d6730cb1f9dcf3618bcb1ab7f10e";
   };
   "nixpkgs-master" = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "master";
-    rev = "9b3e35d991ea6a43f256069dcb2e006006730d05";
+    rev = "fb3970ef7d144525dfcd1c39c0d0d122d248b185";
   };
   "home-manager-module" = {
     url = "https://github.com/nix-community/home-manager";
     ref = "release-20.09";
-    rev = "7339784e07217ed0232e08d1ea33b610c94657d8";
+    rev = "91bd34620d73340be03642279ee0d1c64110ee6c";
   };
 }