diff --git a/nix/os/devices/steveej-t480s-work/versions.nix b/nix/os/devices/steveej-t480s-work/versions.nix
index 2bc9398..7a9321e 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-19.09";
-    rev = "d85e435b7bded2596d7b201bcd938c94d8a921c1";
+    rev = "f7d050ed4e3af90502c88bf0ae1fef62dcbde265";
   };
   channelsNixosUnstable = {
     ref = "nixos-unstable";
-    rev = "eeaf1f702d4b3d57b4657a162a5e536210b23efb";
+    rev = "100012e55bc2a82fc680cba31a426ad38ead6fab";
   };
   nixpkgsMaster = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "master";
-    rev = "a63d28e62e972e827b02ab4eb1e7e7213c101651";
+    rev = "0834d16531df583e161bd53ad5aee86854ad85b0";
   };
   homeManagerModule = {
     url = "https://github.com/rycee/home-manager";
-    ref = "master";
-    rev = "0f1c9f25cf03cd5ed62db05c461af7e13f84a7b6";
+    ref = "release-19.09";
+    rev = "8d663335eb7b5032f637d8b719416ae4f2c1f612";
   };
 }
diff --git a/nix/variables/versions.tmpl.nix b/nix/variables/versions.tmpl.nix
index 92eaa01..08c7589 100644
--- a/nix/variables/versions.tmpl.nix
+++ b/nix/variables/versions.tmpl.nix
@@ -14,7 +14,7 @@
   };
   homeManagerModule = {
     url = "https://github.com/rycee/home-manager";
-    ref = "master";
-    rev = "<% git ls-remote https://github.com/rycee/home-manager.git master | awk '{ print $1 }' | tr -d '\n' -%>";
+    ref = "release-19.09";
+    rev = "<% git ls-remote https://github.com/rycee/home-manager.git release-19.09 | awk '{ print $1 }' | tr -d '\n' -%>";
   };
 }