diff --git a/Makefile b/Makefile
index ac6aea6..bdc9675 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,7 @@ DEPS_MY := \
 
 DEPS_NIXOS := \
 	nixpkgs \
+	nixpkgs_unstable \
 	hardware \
 	home-manager \
 	agenix
diff --git a/flake.lock b/flake.lock
index 18d3ec2..da1b599 100644
--- a/flake.lock
+++ b/flake.lock
@@ -129,6 +129,22 @@
         "type": "github"
       }
     },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1668681692,
+        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "locked": {
         "lastModified": 1659877975,
@@ -178,11 +194,11 @@
     },
     "hardware": {
       "locked": {
-        "lastModified": 1679224149,
-        "narHash": "sha256-TSY37Zv0icF/aijR3/KWGLVBlnKKHlG9QTj7vHbF/UU=",
+        "lastModified": 1679765008,
+        "narHash": "sha256-VCkg/wC2e882suYDS5PDAemaMLYSOdFm4fsx2gowMR0=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "a4bc66709604ab78abc575b60baa6d23ae027a59",
+        "rev": "f38f9a4c9b2b6f89a5778465e0afd166a8300680",
         "type": "github"
       },
       "original": {
@@ -200,11 +216,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1679265143,
-        "narHash": "sha256-5RDMW+O4owjdPz7t4K4YxH2fOHCNOcyVmSiKRUikiv0=",
+        "lastModified": 1679786039,
+        "narHash": "sha256-VNjswu0Q4bZOkWNuc0+dHvRdjUCj+MnDlRfw/Q0R3vI=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "1b8bf5c3270386a1b6850bd77d79dbdbaf0d7a7c",
+        "rev": "cf662b6c98a0da81e06066fff0ecf9cbd4627727",
         "type": "github"
       },
       "original": {
@@ -297,20 +313,21 @@
     "mailserver": {
       "inputs": {
         "blobs": "blobs",
+        "flake-compat": "flake-compat",
         "nixpkgs": [
           "nixpkgs"
         ],
-        "nixpkgs-22_05": "nixpkgs-22_05",
+        "nixpkgs-22_11": "nixpkgs-22_11",
         "utils": [
           "flake-utils"
         ]
       },
       "locked": {
-        "lastModified": 1669807829,
-        "narHash": "sha256-rgQ8MYV1UD4Ynw0wzfl9hatgsV5GV7X6eM6ioSPKzls=",
+        "lastModified": 1671738303,
+        "narHash": "sha256-PRgqtaWf2kMSYqVmcnmhTh+UsC0RmvXRTr+EOw5VZUA=",
         "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "694e7d34f60028f4877517e1c7c73c9527fad400",
+        "rev": "6d0d9fb966cc565a3df74d3b686f924c7615118c",
         "type": "gitlab"
       },
       "original": {
@@ -370,14 +387,15 @@
         ],
         "nixpkgs": [
           "nixpkgs"
-        ]
+        ],
+        "poetry2nix": "poetry2nix"
       },
       "locked": {
-        "lastModified": 1678960093,
-        "narHash": "sha256-7wZx73wgMhceeHO85zcu/NGi/GDeZXDH/jBBKHhQiW0=",
+        "lastModified": 1679901802,
+        "narHash": "sha256-BT/2TqtolnSYqi1vpx0nBo5idlPLwl+5ZY+e/T+dm6o=",
         "ref": "refs/heads/main",
-        "rev": "c856ff0959b2053f5a6824d591a7f3ab2973a7fb",
-        "revCount": 28,
+        "rev": "b5afe25a79bfefe1da34d70779658ea7f313938b",
+        "revCount": 32,
         "type": "git",
         "url": "https://git.pleshevski.ru/mynix/tools"
       },
@@ -413,11 +431,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1669857315,
-        "narHash": "sha256-E/QGmoL7Q3GDR2/I5o2CAMHMcmPQEJAySke1s+nOaho=",
+        "lastModified": 1679847043,
+        "narHash": "sha256-Md5zV84PkRz/4X8pVlvuBfJymRhq9z2g5mv8Ine+hQc=",
         "owner": "oxalica",
         "repo": "nil",
-        "rev": "c549d6fbb2befa4afa12911413d7f494c278555c",
+        "rev": "775ba9e6ac31a3b20ecec7ae3c29ca1a7baee3b1",
         "type": "github"
       },
       "original": {
@@ -457,28 +475,28 @@
         "type": "github"
       }
     },
-    "nixpkgs-22_05": {
+    "nixpkgs-22_11": {
       "locked": {
-        "lastModified": 1654936503,
-        "narHash": "sha256-soKzdhI4jTHv/rSbh89RdlcJmrPgH8oMb/PLqiqIYVQ=",
+        "lastModified": 1669558522,
+        "narHash": "sha256-yqxn+wOiPqe6cxzOo4leeJOp1bXE/fjPEi/3F/bBHv8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dab6df51387c3878cdea09f43589a15729cae9f4",
+        "rev": "ce5fe99df1f15a09a91a86be9738d68fadfbad82",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.05",
+        "ref": "nixos-22.11",
         "type": "indirect"
       }
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1679172431,
-        "narHash": "sha256-XEh5gIt5otaUbEAPUY5DILUTyWe1goAyeqQtmwaFPyI=",
+        "lastModified": 1679797994,
+        "narHash": "sha256-Kr/O/UlfqAtoFmkZeAaphsxogeaN8a/IugBApFzPfpk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1603d11595a232205f03d46e635d919d1e1ec5b9",
+        "rev": "5f9d1bb572e08ec432ae46c78581919d837a90f6",
         "type": "github"
       },
       "original": {
@@ -490,11 +508,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1677262115,
-        "narHash": "sha256-DPkHiJw2QnKYAzQXBlwelwghxbcD5oigK2kLPHMpMQ8=",
+        "lastModified": 1679281263,
+        "narHash": "sha256-neMref1GTruSLt1jBgAw+lvGsZj8arQYfdxvSi5yp4Q=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "806075be2bdde71895359ed18cb530c4d323e6f6",
+        "rev": "8276a165b9fa3db1a7a4f29ee29b680e0799b9dc",
         "type": "github"
       },
       "original": {
@@ -504,11 +522,11 @@
     },
     "nixpkgs_unstable": {
       "locked": {
-        "lastModified": 1679338402,
-        "narHash": "sha256-w0YDouArgrXg8aaX1cslEgzIWuwhB+0ai7xb/UuDwZo=",
+        "lastModified": 1679900446,
+        "narHash": "sha256-RWtJbUqeSLKn8FLSt0b6pLSC4fWrPdv4WHTDOaO/0hU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f3ad3f8193f79ba34e8412dfae3781580262beec",
+        "rev": "56206539ba1de71fb0be7e4f23551e05fdeb29de",
         "type": "github"
       },
       "original": {
@@ -647,6 +665,31 @@
         "type": "github"
       }
     },
+    "poetry2nix": {
+      "inputs": {
+        "flake-utils": [
+          "mytools",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "mytools",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1679445660,
+        "narHash": "sha256-yhO+5d5Ilxybmt3/oGI7KJ/kjnDq50MLrPIvjc40qeg=",
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "rev": "50ec694c27a12bc178fff961c4dd927fa6a47f18",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "agenix": "agenix",
@@ -676,11 +719,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1669775522,
-        "narHash": "sha256-6xxGArBqssX38DdHpDoPcPvB/e79uXyQBwpBcaO/BwY=",
+        "lastModified": 1678415622,
+        "narHash": "sha256-tems1jHETCYEen8QrW61yVVX0F4zOGy4ImB43iDc7bY=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "3158e47f6b85a288d12948aeb9a048e0ed4434d6",
+        "rev": "9f687941160108f89dd8bd2c650d32c15a35c7c7",
         "type": "github"
       },
       "original": {
@@ -817,11 +860,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1678956361,
-        "narHash": "sha256-0TQOhjPoydoyEnVwIlgV7xm6VOkXkgvHWvq5NFgc8OY=",
+        "lastModified": 1679321145,
+        "narHash": "sha256-XxNcy0ldrUKDZhaGaORtkAcnoZmnpc32KJVyeIGV2BY=",
         "ref": "refs/heads/main",
-        "rev": "720c00628610b33fb143a78b2b7908a42fc40902",
-        "revCount": 16,
+        "rev": "82d99a485c47870a92fb889af58908a41e695092",
+        "revCount": 18,
         "type": "git",
         "url": "https://git.pleshevski.ru/pleshevskiy/wd2"
       },
@@ -839,11 +882,11 @@
         "utils": "utils_2"
       },
       "locked": {
-        "lastModified": 1665825115,
-        "narHash": "sha256-KZ4mLzR6lqYGFEiwMF0KmYIKEN7isY9nOG10jRbcXBM=",
+        "lastModified": 1671338321,
+        "narHash": "sha256-Nm/DarDGFYP+ocPcoEYh4guKXH+jndREtMl0VKMSYF8=",
         "owner": "Toqozz",
         "repo": "wired-notify",
-        "rev": "9bd2ca3625091ed2b0e35321ee41a5d5e1327a4b",
+        "rev": "f4300acba8180f8fc6babc1a118f9b3753a2b052",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 9e30c8e..0108d11 100644
--- a/flake.nix
+++ b/flake.nix
@@ -80,7 +80,7 @@
                 (hostname: machine: pkgs.writeShellScript "deploy-${hostname}" ''
                   ${nixos-rebuild}/bin/nixos-rebuild switch \
                     --flake .#${hostname} \
-                    --target-host ${machine.config.deployment.targetHost} 
+                    --target-host ${machine.config.deployment.targetHost} \
                     $@
                 '')
                 vpsMachines);
diff --git a/home/modules/dev_tools.nix b/home/modules/dev_tools.nix
index 9a67e43..cde62e3 100644
--- a/home/modules/dev_tools.nix
+++ b/home/modules/dev_tools.nix
@@ -40,7 +40,8 @@ in
     wd2 # my wrapper for d2
     gnumake
     libnotify # tool to send notifications via cli
-    fawltydeps # Python dependency checker
+    # TODO: Uncomment when https://github.com/tweag/FawltyDeps/pull/272 is merged
+    # fawltydeps # Python dependency checker
 
     deno
     nickel