diff --git a/nix/os/devices/steveej-t480s-work/versions.nix b/nix/os/devices/steveej-t480s-work/versions.nix
index 25840d8..2056dc3 100644
--- a/nix/os/devices/steveej-t480s-work/versions.nix
+++ b/nix/os/devices/steveej-t480s-work/versions.nix
@@ -1,7 +1,7 @@
 {
   channelsNixosStable = {
     ref = "nixos-19.09";
-    rev = "c49da6435f314e04fc58ca29807221817ac2ac6b";
+    rev = "b9cb3b2fb2f45ac8f3a8f670c90739eb34207b0e";
   };
   channelsNixosUnstable = {
     ref = "nixos-unstable";
@@ -10,7 +10,7 @@
   nixpkgsMaster = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "master";
-    rev = "b94c1c89f69563a9fc2ceee487b9bc19e5234d6a";
+    rev = "a83b52dd254489001ca4723346fa3da35ff08a10";
   };
   homeManagerModule = {
     url = "https://github.com/rycee/home-manager";