diff --git a/default.nix b/default.nix
index f159aba..85cb538 100644
--- a/default.nix
+++ b/default.nix
@@ -1,17 +1,13 @@
-{
-  pkgs ? import <nixpkgs> { },
-  fenix ? import (fetchTarball "https://github.com/nix-community/fenix/archive/main.tar.gz") { },
-}: rec {
-  # The `lib`, `modules`, and `overlays` names are special
-  lib = import ./lib { inherit pkgs; }; # functions
-  modules = import ./modules; # NixOS modules
-  overlays = import ./overlays; # nixpkgs overlays
-
-  auditok = pkgs.callPackage ./pkgs/auditok { };
-  bip39 = pkgs.callPackage ./pkgs/bip39 { };
-  ffsubsync = pkgs.callPackage ./pkgs/ffsubsync { inherit auditok pysubs2; };
-  my-bookmarks-pl = pkgs.callPackage ./pkgs/my-bookmarks-pl { };
-  neocities-deploy = pkgs.callPackage ./pkgs/neocities-deploy { inherit fenix; };
-  pysubs2 = pkgs.callPackage ./pkgs/pysubs2 { };
-  subtitlecomposer = pkgs.callPackage ./pkgs/subtitlecomposer { };
-}
+(import
+  (
+    let
+      lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+      nodeName = lock.nodes.root.inputs.flake-compat;
+    in
+    fetchTarball {
+      url = lock.nodes.${nodeName}.locked.url or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.${nodeName}.locked.rev}.tar.gz";
+      sha256 = lock.nodes.${nodeName}.locked.narHash;
+    }
+  )
+  { src = ./.; }
+).defaultNix
diff --git a/flake.lock b/flake.lock
index db5be4b..ccf0654 100644
--- a/flake.lock
+++ b/flake.lock
@@ -21,6 +21,20 @@
         "type": "github"
       }
     },
+    "flake-compat": {
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "revCount": 57,
+        "type": "tarball",
+        "url": "https://api.flakehub.com/f/pinned/edolstra/flake-compat/1.0.1/018afb31-abd1-7bff-a5e4-cff7e18efb7a/source.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1735685343,
diff --git a/flake.nix b/flake.nix
index 9072920..6649cee 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,16 +2,13 @@
   description = "My personal NUR repository";
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    fenix = {
-      url = "github:nix-community/fenix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
+    flake-compat.url = "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz";
   };
   outputs =
     { self
     , fenix
     , nixpkgs
-    ,
+    , flake-compat
     }:
     let
       systems = [
@@ -29,10 +26,24 @@
       modules = import ./modules;
 
       legacyPackages = forAllSystems (system:
-        import ./default.nix {
-          pkgs = import nixpkgs { inherit system; };
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in rec {
+        # The `lib`, `modules`, and `overlays` names are special
+        lib = import ./lib { inherit pkgs; }; # functions
+        modules = import ./modules; # NixOS modules
+        overlays = import ./overlays; # nixpkgs overlays
+
+        auditok = pkgs.callPackage ./pkgs/auditok { };
+        bip39 = pkgs.callPackage ./pkgs/bip39 { };
+        ffsubsync = pkgs.callPackage ./pkgs/ffsubsync { inherit auditok pysubs2; };
+        my-bookmarks-pl = pkgs.callPackage ./pkgs/my-bookmarks-pl { };
+        neocities-deploy = pkgs.callPackage ./pkgs/neocities-deploy {
           fenix = fenix.outputs.packages.${system};
-        });
+        };
+        pysubs2 = pkgs.callPackage ./pkgs/pysubs2 { };
+        subtitlecomposer = pkgs.callPackage ./pkgs/subtitlecomposer { };
+      });
       packages = forAllSystems (system: nixpkgs.lib.filterAttrs (_: v: nixpkgs.lib.isDerivation v) self.legacyPackages.${system});
     };
 }