diff --git a/capibara.nix b/capibara.nix
index 002b599..ae75029 100644
--- a/capibara.nix
+++ b/capibara.nix
@@ -7,7 +7,8 @@
 let
   home-manager = builtins.fetchTarball {
     url =
-      "https://github.com/nix-community/home-manager/archive/release-21.11.tar.gz";
+      # "https://github.com/nix-community/home-manager/archive/release-21.11.tar.gz";
+      "https://github.com/nix-community/home-manager/archive/master.tar.gz";
   };
 in {
   imports = [
diff --git a/home/alacritty/common.nix b/home/alacritty/common.nix
index 7ee1f71..75891d2 100644
--- a/home/alacritty/common.nix
+++ b/home/alacritty/common.nix
@@ -4,7 +4,7 @@
   programs.alacritty = {
     enable = true;
     settings = {
-      background_opacity = 0.9;
+      window.opacity = 0.9;
       colors = {
         primary = {
           background = "#282828";
diff --git a/home/nixos-common.nix b/home/nixos-common.nix
index c4a5f1a..04c4c78 100644
--- a/home/nixos-common.nix
+++ b/home/nixos-common.nix
@@ -59,7 +59,6 @@ in {
         ".mozilla"
         ".newsboat"
         ".vdirsyncer"
-        ".local/var/pmbootstrap"
       ];
       files = [
         ".gnupg/pubring.kbx"
diff --git a/trantor.nix b/trantor.nix
index c33d5e4..122dd5c 100644
--- a/trantor.nix
+++ b/trantor.nix
@@ -5,12 +5,10 @@
 { config, pkgs, ... }:
 
 let
-  impermanence = builtins.fetchTarball {
-    url = "https://github.com/nix-community/impermanence/archive/master.tar.gz";
-  };
   home-manager = builtins.fetchTarball {
     url =
-      "https://github.com/nix-community/home-manager/archive/release-21.11.tar.gz";
+      # "https://github.com/nix-community/home-manager/archive/release-21.11.tar.gz";
+      "https://github.com/nix-community/home-manager/archive/master.tar.gz";
   };
 in {
   imports = [