diff --git a/flake.lock b/flake.lock
index 0f8fa66..60ddc6c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,12 +1,50 @@
 {
   "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-utils",
+        "type": "indirect"
+      }
+    },
+    "libdib": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749301134,
+        "narHash": "sha256-JHLVV4ug8AgG71xhXEdmXozQfesXut6NUdXbBZNkD3c=",
+        "ref": "refs/heads/main",
+        "rev": "ca26131c22bb2833c81254dbabab6d785b9f37f0",
+        "revCount": 8,
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/libdib.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/libdib.git"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1742578646,
-        "narHash": "sha256-GiQ40ndXRnmmbDZvuv762vS+gew1uDpFwOfgJ8tLiEs=",
+        "lastModified": 1749213349,
+        "narHash": "sha256-UAaWOyQhdp7nXzsbmLVC67fo+QetzoTm9hsPf9X3yr4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "94c4dbe77c0740ebba36c173672ca15a7926c993",
+        "rev": "a4ff0e3c64846abea89662bfbacf037ef4b34207",
         "type": "github"
       },
       "original": {
@@ -18,8 +56,24 @@
     },
     "root": {
       "inputs": {
+        "libdib": "libdib",
         "nixpkgs": "nixpkgs"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index a45772c..224a2e1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,12 @@
 {
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
 
-  outputs = { self, nixpkgs }: let
+    libdib.url = "git+https://git.pvv.ntnu.no/Projects/libdib.git";
+    libdib.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = inputs@{ self, nixpkgs, ... }: let
     systems = [
       "x86_64-linux"
       "aarch64-linux"
@@ -10,7 +15,12 @@
     ];
 
     forAllSystems = f: nixpkgs.lib.genAttrs systems (system: let
-      pkgs = nixpkgs.legacyPackages.${system};
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [
+          inputs.libdib.overlays.default
+        ];
+      };
     in f system pkgs);
 
     inherit (nixpkgs) lib;
@@ -28,6 +38,7 @@
       })
       flask-sqlalchemy
       isbnlib
+      libdib
       psycopg2-binary
       python-dotenv
       requests