diff --git a/nix/flake.lock b/nix/flake.lock
index 535b53e..f146d5d 100644
--- a/nix/flake.lock
+++ b/nix/flake.lock
@@ -1,12 +1,46 @@
 {
   "nodes": {
+    "nim2nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1725469705,
+        "narHash": "sha256-4/iSUwB3XKmybdt4R87VhBPiD3z4BL6RrD9LyrrkesM=",
+        "owner": "daylinmorgan",
+        "repo": "nim2nix",
+        "rev": "42af12ca45025c7146bc24e27f5d8b65b003d663",
+        "type": "github"
+      },
+      "original": {
+        "owner": "daylinmorgan",
+        "repo": "nim2nix",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1710765496,
-        "narHash": "sha256-p7ryWEeQfMwTB6E0wIUd5V2cFTgq+DRRBz2hYGnJZyA=",
+        "lastModified": 1724479785,
+        "narHash": "sha256-pP3Azj5d6M5nmG68Fu4JqZmdGt4S4vqI5f8te+E/FTw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "e367f7a1fb93137af22a3908f00b9a35e2d286a7",
+        "rev": "d0e1602ddde669d5beb01aec49d71a51937ed7be",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1725369773,
+        "narHash": "sha256-gT+rUDbw+TQuszQEzMUJWTW7QYtccZ5xxWmKOSrPvEw=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "8b4061fd60ccc3b3f44b73faa7c983eacf7a6f7b",
         "type": "github"
       },
       "original": {
@@ -18,7 +52,8 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nim2nix": "nim2nix",
+        "nixpkgs": "nixpkgs_2"
       }
     }
   },
diff --git a/nix/flake.nix b/nix/flake.nix
index f4ebcf3..194a689 100644
--- a/nix/flake.nix
+++ b/nix/flake.nix
@@ -2,31 +2,50 @@
   description = "tsm";
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    nim2nix.url = "github:daylinmorgan/nim2nix";
   };
 
-  outputs = {
-    self,
-    nixpkgs,
-  }: let
-    inherit (nixpkgs.lib) genAttrs;
-    supportedSystems = ["x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin"];
-    forAllSystems = f: genAttrs supportedSystems (system: f nixpkgs.legacyPackages.${system});
-  in {
-    devShells = forAllSystems (pkgs: {
-      default = pkgs.mkShell {
-        packages = with pkgs; [ nim nimble ];
-      };
-    });
-    packages = forAllSystems (
-      pkgs: {
-        tsm = pkgs.buildNimPackage {
+  outputs =
+    {
+      self,
+      nixpkgs,
+      nim2nix,
+    }:
+    let
+      inherit (nixpkgs.lib) genAttrs;
+      supportedSystems = [
+        "x86_64-linux"
+        "x86_64-darwin"
+        "aarch64-linux"
+        "aarch64-darwin"
+      ];
+      forAllSystems =
+        f:
+        genAttrs supportedSystems (
+          system:
+          f (import nixpkgs {
+            inherit system;
+            overlays = [nim2nix.overlays.default];
+          }
+        ));
+    in
+    {
+      devShells = forAllSystems (pkgs: {
+        default = pkgs.mkShell {
+          packages = with pkgs; [
+            nim
+            nimble
+          ];
+        };
+      });
+      packages = forAllSystems (pkgs: {
+        tsm = pkgs.buildNimblePackage {
           pname = "tsm";
           version = "2024.1001";
           src = ../.;
-          lockFile = ./lock.json;
+          nimbleDepsHash = "sha256-1J0Wt/XjFiSN1MTfgg9tE5dY3GnXH/UgG3zCL19GgpU=";
         };
         default = self.packages.${pkgs.system}.tsm;
-      }
-    );
-  };
+      });
+    };
 }
diff --git a/nix/lock.json b/nix/lock.json
deleted file mode 100644
index 4f400fd..0000000
--- a/nix/lock.json
+++ /dev/null
@@ -1,52 +0,0 @@
-{
-  "depends": [
-    {
-      "method": "fetchzip",
-      "path": "/nix/store/k3sxzm7qnkgnwkrfd8hc3gkwzbayb1h1-source",
-      "rev": "99a120f7f69868b94f5d35ce7e21dd12535de70c",
-      "sha256": "0hiic5yjsaw6sgl1jzmfpm5g6a5ckzmd29c3pzg30glchn2g94sk",
-      "srcDir": "",
-      "url": "https://github.com/johnnovak/illwill/archive/99a120f7f69868b94f5d35ce7e21dd12535de70c.tar.gz",
-      "subDir": "",
-      "packages": [
-        "illwill"
-      ]
-    },
-    {
-      "method": "fetchzip",
-      "path": "/nix/store/pgajs406yg0ffw099np6fca3psf8zlvr-source",
-      "rev": "25574d165bb7f60900b36590bc49f3d90e47cea4",
-      "sha256": "0qf162bagcgnxjsjpg560cz6kdshhsyrkzq3j471a8pxrhwp608i",
-      "srcDir": "src",
-      "url": "https://github.com/usu-dev/usu-nim/archive/25574d165bb7f60900b36590bc49f3d90e47cea4.tar.gz",
-      "subDir": "",
-      "packages": [
-        "usu"
-      ]
-    },
-    {
-      "method": "fetchzip",
-      "path": "/nix/store/4h59kkd5db97j5m92szryjydxyr9bnwg-source",
-      "rev": "4193f802796f15559c81c6dd56724d6f20345917",
-      "sha256": "04w4hy5zbcmp173jx72b89jk9l7rnpqv9d3cgs8lwmfcagjac7zz",
-      "srcDir": "",
-      "url": "https://github.com/c-blake/cligen/archive/4193f802796f15559c81c6dd56724d6f20345917.tar.gz",
-      "subDir": "",
-      "packages": [
-        "cligen"
-      ]
-    },
-    {
-      "method": "fetchzip",
-      "path": "/nix/store/ws9bc49njd13lzlankiw9vz85h56n0sn-source",
-      "rev": "9a85d9ed028f06f1ed1ee6851480a51408a6004e",
-      "sha256": "04r9wincqd4a5hmxixbsw0zjpvlrpckny4jkzahvbnh8s5f1xlc6",
-      "srcDir": "src",
-      "url": "https://github.com/daylinmorgan/bbansi/archive/9a85d9ed028f06f1ed1ee6851480a51408a6004e.tar.gz",
-      "subDir": "",
-      "packages": [
-        "bbansi"
-      ]
-    }
-  ]
-}
\ No newline at end of file