diff --git a/nix/os/devices/steveej-rmvbl-sdep0/versions.nix b/nix/os/devices/steveej-rmvbl-sdep0/versions.nix
index 90388f6..8ab7c90 100644
--- a/nix/os/devices/steveej-rmvbl-sdep0/versions.nix
+++ b/nix/os/devices/steveej-rmvbl-sdep0/versions.nix
@@ -1,8 +1,8 @@
 let
   nixpkgs = {
     url = "https://github.com/NixOS/nixpkgs/";
-    ref = "nixos-20.09";
-    rev = "19db3e5ea2777daa874563b5986288151f502e27";
+    ref = "nixos-21.05";
+    rev = "5de44c15758465f8ddf84d541ba300b48e56eda4";
   };
 in
 
@@ -15,16 +15,16 @@ in
   "channels-nixos-unstable" = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "nixos-unstable";
-    rev = "2247d824fe07f16325596acc7faa286502faffd1";
+    rev = "fbfb79400a08bf754e32b4d4fc3f7d8f8055cf94";
   };
   "nixpkgs-master" = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "master";
-    rev = "8d4af2e08c3d161fa482fe8e14af721e79ae7a09";
+    rev = "7e529086a7ce588380178733a42ff2a293ac080c";
   };
   "home-manager-module" = {
     url = "https://github.com/nix-community/home-manager";
-    ref = "release-20.09";
-    rev = "63f299b3347aea183fc5088e4d6c4a193b334a41";
+    ref = "release-21.05";
+    rev = "148d85ee8303444fb0116943787aa0b1b25f94df";
   };
 }