diff --git a/shell.nix b/default.nix
similarity index 55%
rename from shell.nix
rename to default.nix
index d679438..c8bf846 100644
--- a/shell.nix
+++ b/default.nix
@@ -3,6 +3,8 @@
 pkgs.buildNimPackage {
   name = "syndicate_utils";
   propagatedNativeBuildInputs = [ pkgs.pkg-config ];
-  propagatedBuildInputs = [ pkgs.postgresql pkgs.sqlite pkgs.libxml2 pkgs.libxslt ];
+  propagatedBuildInputs =
+    [ pkgs.postgresql pkgs.sqlite pkgs.libxml2 pkgs.libxslt ];
   lockFile = ./lock.json;
+  src = pkgs.lib.sources.cleanSource ./.;
 }
diff --git a/lock.json b/lock.json
index 2da3b4f..091ca5a 100644
--- a/lock.json
+++ b/lock.json
@@ -64,24 +64,24 @@
       "packages": [
         "preserves"
       ],
-      "path": "/nix/store/fpkhfxnfbdcri6k7mac21r3byg738bs4-source",
-      "ref": "20240108",
-      "rev": "a01ba8c96d65f670862ba074bf82b50cbda6ed99",
-      "sha256": "0n8pghy2qfywx0psr54yzjvhdhi5av204150jyyzfxhigczd8sr4",
+      "path": "/nix/store/6nnn5di5vip1vladlb7z56rbw18d1y7j-source",
+      "ref": "20240208",
+      "rev": "2825bceecf33a15b9b7942db5331a32cbc39b281",
+      "sha256": "145vf46fy3wc52j6vs509fm9bi5lx7c53gskbkpcfbkv82l86dgk",
       "srcDir": "src",
-      "url": "https://git.syndicate-lang.org/ehmry/preserves-nim/archive/a01ba8c96d65f670862ba074bf82b50cbda6ed99.tar.gz"
+      "url": "https://git.syndicate-lang.org/ehmry/preserves-nim/archive/2825bceecf33a15b9b7942db5331a32cbc39b281.tar.gz"
     },
     {
       "method": "fetchzip",
       "packages": [
         "syndicate"
       ],
-      "path": "/nix/store/43gx5b3y9s9c8cfa1nmhz5dz5z3jsw0a-source",
-      "ref": "20240114",
-      "rev": "75d1e33bff21f1da511ca0ea7def4bb492fd96fd",
-      "sha256": "0b51bj3xpw2jbpxh0ry3d7iqbw6ks2wfnc3jpra6rj3ss4hj749n",
+      "path": "/nix/store/y9f3j4m7vmhf8gbpkvqa77jvzrc5ynlm-source",
+      "ref": "20240208",
+      "rev": "50a77995bcfe15e6062f54c6af0f55fba850c329",
+      "sha256": "1avrk86c34qg39w8vlixsksli2gwgbsf29jhlap27ffzdbj2zbal",
       "srcDir": "src",
-      "url": "https://git.syndicate-lang.org/ehmry/syndicate-nim/archive/75d1e33bff21f1da511ca0ea7def4bb492fd96fd.tar.gz"
+      "url": "https://git.syndicate-lang.org/ehmry/syndicate-nim/archive/50a77995bcfe15e6062f54c6af0f55fba850c329.tar.gz"
     },
     {
       "method": "fetchzip",