diff --git a/nixos/flake.lock b/nixos/flake.lock
index 05d4072d..c4eb8027 100644
--- a/nixos/flake.lock
+++ b/nixos/flake.lock
@@ -245,23 +245,20 @@
     },
     "emacs-overlay": {
       "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ],
+        "nixpkgs": "nixpkgs_9",
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1769448145,
-        "narHash": "sha256-499V3+SiDzp+Vkwo2Osp1AkstlWeDc3KzfOn+xoiu6Y=",
+        "lastModified": 1770602774,
+        "narHash": "sha256-eRcZ279Oaf8ViHtvdWVTpcD9x7bvJ3ipQ1Xq9bd+qlk=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "2d2050b17743f564ffed290602e7816614a0dbdd",
+        "rev": "a3d87c21d1464f1069d8125cafe6adb84d200185",
         "type": "github"
       },
       "original": {
-        "owner": "nix-community",
-        "repo": "emacs-overlay",
-        "type": "github"
+        "id": "emacs-overlay",
+        "type": "indirect"
       }
     },
     "fenix": {
@@ -1336,15 +1333,15 @@
       "locked": {
         "lastModified": 1770934405,
         "narHash": "sha256-So7/cClgSGy9T0/qRfdO+Wths8wAmFW2w51WooSyFs0=",
-        "ref": "refs/heads/master",
+        "owner": "colonelpanic8",
+        "repo": "keepbook",
         "rev": "0b035c3aea0a6b40d095ac0ffb784e8a1a4f5a93",
-        "revCount": 212,
-        "type": "git",
-        "url": "file:///home/imalison/Projects/keepbook"
+        "type": "github"
       },
       "original": {
-        "path": "/home/imalison/Projects/keepbook",
-        "type": "path"
+        "owner": "colonelpanic8",
+        "repo": "keepbook",
+        "type": "github"
       }
     },
     "mova": {
@@ -1633,6 +1630,22 @@
         "type": "github"
       }
     },
+    "nixpkgs_9": {
+      "locked": {
+        "lastModified": 1770562336,
+        "narHash": "sha256-ub1gpAONMFsT/GU2hV6ZWJjur8rJ6kKxdm9IlCT0j84=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d6c71932130818840fc8fe9509cf50be8c64634f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixtheplanet": {
       "inputs": {
         "flake-parts": "flake-parts_4",
diff --git a/nixos/flake.nix b/nixos/flake.nix
index e90fe24d..3b20ba63 100644
--- a/nixos/flake.nix
+++ b/nixos/flake.nix
@@ -41,12 +41,13 @@
       url = "github:colonelpanic8/git-sync-rs";
       inputs = {
         flake-utils.follows = "flake-utils";
+        rust-overlay.url = "github:oxalica/rust-overlay";
         rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
       };
     };
 
     keepbook = {
-      url = "path:/home/imalison/Projects/keepbook";
+      url = "github:colonelpanic8/keepbook";
       inputs = {
         nixpkgs.follows = "nixpkgs";
         flake-utils.follows = "flake-utils";
@@ -130,6 +131,8 @@
         flake-utils.follows = "flake-utils";
         xmonad.follows = "xmonad";
         xmonad-contrib.follows = "xmonad-contrib";
+        weeder-nix.url = "github:NorfairKing/weeder-nix";
+        weeder-nix.inputs.pre-commit-hooks.inputs.nixpkgs.follows = "nixpkgs";
       };
     };
 
@@ -225,13 +228,7 @@
     ];
 
     # Custom patches that don't fit the PR template
-    nixpkgsCustomPatches = [
-      {
-        # PR #488591: happy-coder: 0.11.2 -> 0.13.0
-        url = "https://github.com/NixOS/nixpkgs/commit/72ddcd82e5c09d47358a1f9add9f85032dcfb4a8.patch";
-        hash = "sha256-mlmZcwxP7IV93mQEAR3PYw8MRmNPRWXKbk9ZEKHqZc8=";
-      }
-    ];
+    nixpkgsCustomPatches = [ ];
 
     # Home-manager PR patches - just specify PR number and hash
     homeManagerPRPatches = [