diff --git a/flake.lock b/flake.lock
index ebcef0a..060a2ae 100644
--- a/flake.lock
+++ b/flake.lock
@@ -42,11 +42,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1665392861,
-        "narHash": "sha256-bCd8fYJMAb0LzabsiXl4nxECDoz483bJOCa2hjox7N0=",
+        "lastModified": 1667419884,
+        "narHash": "sha256-oLNw87ZI5NxTMlNQBv1wG2N27CUzo9admaFlnmavpiY=",
         "owner": "LnL7",
         "repo": "nix-darwin",
-        "rev": "ef56fd8979b5f4e800c4716f62076e00600b1172",
+        "rev": "cfc0125eafadc9569d3d6a16ee928375b77e3100",
         "type": "github"
       },
       "original": {
@@ -205,6 +205,22 @@
         "type": "github"
       }
     },
+    "flake-compat_4": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1650374568,
+        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "locked": {
         "lastModified": 1642700792,
@@ -256,11 +272,11 @@
     },
     "flake-utils_3": {
       "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "lastModified": 1667077288,
+        "narHash": "sha256-bdC8sFNDpT0HK74u9fUkpbf1MEzVYJ+ka7NXCdgBoaA=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "rev": "6ee9ebb6b1ee695d2cacc4faa053a7b9baa76817",
         "type": "github"
       },
       "original": {
@@ -276,11 +292,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1665996265,
-        "narHash": "sha256-/k9og6LDBQwT+f/tJ5ClcWiUl8kCX5m6ognhsAxOiCY=",
+        "lastModified": 1667677389,
+        "narHash": "sha256-y9Zdq8vtsn0T5TO1iTvWA7JndYIAGjzCjbYVi/hOSmA=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "b81e128fc053ab3159d7b464d9b7dedc9d6a6891",
+        "rev": "87d55517f6f36aa1afbd7a4a064869d5a1d405b8",
         "type": "github"
       },
       "original": {
@@ -308,11 +324,11 @@
     },
     "latest_2": {
       "locked": {
-        "lastModified": 1665940183,
-        "narHash": "sha256-cPe3F7CtnxU9YbJpc3Adl4d9kX+turqTv5FxM98i8vg=",
+        "lastModified": 1667629849,
+        "narHash": "sha256-P+v+nDOFWicM4wziFK9S/ajF2lc0N2Rg9p6Y35uMoZI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "104e8082de1b20f9d0e1f05b1028795ed0e0e4bc",
+        "rev": "3bacde6273b09a21a8ccfba15586fb165078fb62",
         "type": "github"
       },
       "original": {
@@ -359,11 +375,11 @@
     },
     "nixos": {
       "locked": {
-        "lastModified": 1666014999,
-        "narHash": "sha256-gvKl8xlPJreezNG1NVTJv/HdGC69MSrM+IpCxS+eFvw=",
+        "lastModified": 1667653703,
+        "narHash": "sha256-Xow4vx52/g5zkhlgZnMEm/TEXsj+13jTPCc2jIhW1xU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "1935dd8fdab8e022a9d958419663162fd840014c",
+        "rev": "f09ad462c5a121d0239fde645aacb2221553a217",
         "type": "github"
       },
       "original": {
@@ -379,11 +395,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1666016402,
-        "narHash": "sha256-Cm/nrdUMXwXiFQforG1Mv8OA4o8yhuVx6E1eDFH4rew=",
+        "lastModified": 1666812839,
+        "narHash": "sha256-0nBDgjPU+iDsvz89W+cDEyhnFGSwCJmwDl/gMGqYiU0=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "688db42a1eb34853f050267ff65c975f664312f0",
+        "rev": "41f3518bc194389df22a3d198215eae75e6b5ab9",
         "type": "github"
       },
       "original": {
@@ -394,11 +410,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1665987993,
-        "narHash": "sha256-MvlaIYTRiqefG4dzI5p6vVCfl+9V8A1cPniUjcn6Ngc=",
+        "lastModified": 1667768008,
+        "narHash": "sha256-PGbX0s2hhXGnZDFVE6UIhPSOf5YegpWs5dUXpT/14F0=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "0e6593630071440eb89cd97a52921497482b22c6",
+        "rev": "f6483e0def85efb9c1e884efbaff45a5e7aabb34",
         "type": "github"
       },
       "original": {
@@ -453,18 +469,18 @@
     },
     "nvfetcher": {
       "inputs": {
-        "flake-compat": "flake-compat_3",
+        "flake-compat": "flake-compat_4",
         "flake-utils": "flake-utils_3",
         "nixpkgs": [
           "nixos"
         ]
       },
       "locked": {
-        "lastModified": 1664550666,
-        "narHash": "sha256-eXfMRd9uItEp3PsYI31FSVGPG9dVC6yF++65ZrGwW8A=",
+        "lastModified": 1667620329,
+        "narHash": "sha256-v1Zk7rtEbAGpevBGPZvZBKpwbmw4I+uVwxvd+pBlp3o=",
         "owner": "berberman",
         "repo": "nvfetcher",
-        "rev": "9763ad40d59a044e90726653d9253efaeeb053b2",
+        "rev": "294826951113dcd3aa9abbcacfb1aa5b95a19116",
         "type": "github"
       },
       "original": {
@@ -479,6 +495,7 @@
         "darwin": "darwin",
         "deploy": "deploy",
         "digga": "digga",
+        "flake-compat": "flake-compat_3",
         "home": "home",
         "latest": "latest_2",
         "naersk": "naersk",
diff --git a/flake.nix b/flake.nix
index 4ac60e8..cce3f8e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,6 +11,9 @@
       nixos.url = "github:nixos/nixpkgs/nixos-22.05";
       latest.url = "github:nixos/nixpkgs/nixos-unstable";
 
+      flake-compat.url = "github:edolstra/flake-compat";
+      flake-compat.flake = false;
+
       digga.url = "github:pub-solar/digga/fix/bootstrap-iso";
       digga.inputs.nixpkgs.follows = "nixos";
       digga.inputs.nixlib.follows = "nixos";
diff --git a/lib/compat/default.nix b/lib/compat/default.nix
index 9d0c283..ae3b442 100644
--- a/lib/compat/default.nix
+++ b/lib/compat/default.nix
@@ -1,14 +1,14 @@
 let
-  rev = "e7e5d481a0e15dcd459396e55327749989e04ce0";
+  lock = builtins.fromJSON (builtins.readFile builtins.path { path = ../../flake.lock; name = "lockPath"; });
   flake = (import
     (
       fetchTarball {
-        url = "https://github.com/edolstra/flake-compat/archive/${rev}.tar.gz";
-        sha256 = "0zd3x46fswh5n6faq4x2kkpy6p3c6j593xbdlbsl40ppkclwc80x";
+        url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+        sha256 = lock.nodes.flake-compat.locked.narHash;
       }
     )
     {
-      src = ../../.;
+      src = builtins.path { path = ../../.; name = "projectRoot"; };
     });
 in
 flake
diff --git a/shell/devos.nix b/shell/devos.nix
index 9aefcc6..382a6d3 100644
--- a/shell/devos.nix
+++ b/shell/devos.nix
@@ -28,21 +28,6 @@ in
   # override for our own welcome
   devshell.name = pkgs.lib.mkForce "PubSolarOS";
 
-  # tempfix: remove when merged https://github.com/numtide/devshell/pull/123
-  devshell.startup.load_profiles = pkgs.lib.mkForce (pkgs.lib.noDepEntry ''
-    # PATH is devshell's exorbitant privilige:
-    # fence against its pollution
-    _PATH=''${PATH}
-    # Load installed profiles
-    for file in "$DEVSHELL_DIR/etc/profile.d/"*.sh; do
-      # If that folder doesn't exist, bash loves to return the whole glob
-      [[ -f "$file" ]] && source "$file"
-    done
-    # Exert exorbitant privilige and leave no trace
-    export PATH=''${_PATH}
-    unset _PATH
-  '');
-
   commands = with pkgs; [
     (devos nix)
     (devos agenix)