diff --git a/flake.lock b/flake.lock
index 1fead41..29aabff 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "futils": {
       "locked": {
-        "lastModified": 1623875721,
-        "narHash": "sha256-A8BU7bjS5GirpAUv4QA+QnJ4CceLHkcXdRp4xITDB0s=",
+        "lastModified": 1620759905,
+        "narHash": "sha256-WiyWawrgmyN0EdmiHyG2V+fqReiVi8bM9cRdMaKQOFg=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "f7e004a55b120c02ecb6219596820fcd32ca8772",
+        "rev": "b543720b25df6ffdfcf9227afafc5b8c1fabfae8",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1625016439,
-        "narHash": "sha256-zHf7iCU9nYd6/7xwYx5gwDzXdXcJ9RUagdy0IgX39sQ=",
+        "lastModified": 1622145920,
+        "narHash": "sha256-/tt6IApLuVcGP5auy4zjLzfm5+MBHYLS3Nauvv2U2EQ=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "9ad0024d4d292c628d4c9a50c2347f23418d7000",
+        "rev": "0e6c61a44092e98ba1d75b41f4f947843dc7814d",
         "type": "github"
       },
       "original": {
@@ -39,11 +39,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1624922035,
-        "narHash": "sha256-OiIxJQuMRkICxaUwY3xMBbrPPu20de/n7tVYnWzLvS4=",
+        "lastModified": 1622194753,
+        "narHash": "sha256-76qtvFp/vFEz46lz5iZMJ0mnsWQYmuGYlb0fHgKqqMg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3a8d7958a610cd3fec3a6f424480f91a1b259185",
+        "rev": "540dccb2aeaffa9dc69bfdc41c55abd7ccc6baa3",
         "type": "github"
       },
       "original": {
@@ -55,11 +55,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1625064961,
-        "narHash": "sha256-ErII8vNW+04+eIGtViN8sSZs573I8PQiw6TWd1E0zoo=",
+        "lastModified": 1622221304,
+        "narHash": "sha256-aU/BdVGUverHNY9BOmDaAo21G8k9ndhzzjX1RSY1im0=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "5f0603506c26d7c97c91e8c6ae27e07f3ab2f0e8",
+        "rev": "8d8c59d767d854a1bc6fd08952529e10438eaa8d",
         "type": "github"
       },
       "original": {
@@ -79,11 +79,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1624971177,
-        "narHash": "sha256-Amf/nBj1E77RmbSSmV+hg6YOpR+rddCbbVgo5C7BS0I=",
+        "lastModified": 1621411868,
+        "narHash": "sha256-R+7OQ2JYFCb3E7Jl7LhRifzMVCR6Gl8R98zYsNhZtJ8=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "397f0713d007250a2c7a745e555fa16c5dc8cadb",
+        "rev": "2e7fac06108b4fc81f5ff9ed9a02bc4f6ede7001",
         "type": "github"
       },
       "original": {
diff --git a/home/direnv.nix b/home/direnv.nix
index cf32628..d81cf46 100644
--- a/home/direnv.nix
+++ b/home/direnv.nix
@@ -9,11 +9,7 @@ in
 
   config.programs.direnv = lib.mkIf cfg.enable {
     enable = true;
-    nix-direnv = {
-      # A better `use_nix`
-      enable = true;
-      # And `use_flake`
-      enableFlakes = true;
-    };
+    # A better `use_nix`
+    enableNixDirenvIntegration = true;
   };
 }
diff --git a/home/mail/accounts.nix b/home/mail/accounts.nix
index 2eecb6d..7f1ad02 100644
--- a/home/mail/accounts.nix
+++ b/home/mail/accounts.nix
@@ -15,10 +15,6 @@ let
 
     inherit primary;
 
-    himalaya = {
-      enable = cfg.himalaya.enable;
-    };
-
     msmtp = {
       enable = cfg.msmtp.enable;
     };
diff --git a/home/mail/default.nix b/home/mail/default.nix
index 3ec0c9a..cc81d0c 100644
--- a/home/mail/default.nix
+++ b/home/mail/default.nix
@@ -7,17 +7,12 @@ in
 {
   imports = [
     ./accounts.nix
-    ./himalaya.nix
     ./msmtp.nix
   ];
 
   options.my.home.mail = with lib; {
     enable = my.mkDisableOption "email configuration";
 
-    himalaya = {
-      enable = mkRelatedOption "himalaya configuration";
-    };
-
     msmtp = {
       enable = mkRelatedOption "msmtp configuration";
     };
diff --git a/home/mail/himalaya.nix b/home/mail/himalaya.nix
deleted file mode 100644
index c2d3b05..0000000
--- a/home/mail/himalaya.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{ config, lib, pkgs, ... }:
-let
-  cfg = config.my.home.mail.himalaya;
-in
-{
-  config.programs.himalaya = lib.mkIf cfg.enable {
-    enable = true;
-
-    settings = {
-      notify-cmd =
-        let
-          notify-send = "${pkgs.libnotify}/bin/notify-send";
-        in
-        pkgs.writeScript "mail-notifier" ''
-          SENDER="$1"
-          SUBJECT="$2"
-          ${notify-send} \
-            -c himalaya \
-            -- "$(printf 'Received email from %s\n\n%s' "$SENDER" "$SUBJECT")"
-        '';
-    };
-  };
-}