diff --git a/flake.lock b/flake.lock
index 23df4494..e5fa00ef 100644
--- a/flake.lock
+++ b/flake.lock
@@ -86,11 +86,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1650814923,
-        "narHash": "sha256-xbwwExPE+1X12kPeBBqlpjzZqr8/tIyrAynx86hBC78=",
+        "lastModified": 1651368560,
+        "narHash": "sha256-OV6o5j27tnwqGhQd1u8/p5TjQI7+HyOnl6erteId4IE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "bba2203c18fe55e6143a5f89aa9decc0fdd3d208",
+        "rev": "e41bd3eeadc4cab64f5de69f0c099058fa7d4127",
         "type": "github"
       },
       "original": {
@@ -102,11 +102,11 @@
     },
     "nixpkgs-master": {
       "locked": {
-        "lastModified": 1650828226,
-        "narHash": "sha256-kAfeQ3qYms2ypsntCC9/K7eKhkYuXo2W2M9On62MGFM=",
+        "lastModified": 1651391344,
+        "narHash": "sha256-n8dmxOyIYopV62VKM50L8GNSSMVxtkrJNpqkS6mm3BY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "3c632ea1f62ea76be77b57a28e65615b4c8e5148",
+        "rev": "887cf48b06ae81492475dc2e54eb5258270379a4",
         "type": "github"
       },
       "original": {
@@ -147,6 +147,20 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1651024496,
+        "narHash": "sha256-uKSrrw/neSkxX6TXPSaMyfu7iKzFrK7F6HOt6vQefGY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d9e593ed5889f3906dc72811c45bf684be8865cf",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
     "openwrt": {
       "flake": false,
       "locked": {
@@ -164,6 +178,41 @@
         "url": "https://git.openwrt.org/openwrt/openwrt.git"
       }
     },
+    "openwrt-imagebuilder": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2",
+        "openwrt": "openwrt_2"
+      },
+      "locked": {
+        "lastModified": 1651275086,
+        "narHash": "sha256-HM0xBxcg7V4YXwXs//I1GJQJrIQ1jHMmY3zsYPsgRBY=",
+        "owner": "astro",
+        "repo": "nix-openwrt-imagebuilder",
+        "rev": "34afaff593f10de376e50f2e02f61cb2d93e648e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "astro",
+        "repo": "nix-openwrt-imagebuilder",
+        "type": "github"
+      }
+    },
+    "openwrt_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1651013664,
+        "narHash": "sha256-efpsYc8KfjIbcD0vdE+VC9tWS471NFAxUB884kJhUEE=",
+        "ref": "master",
+        "rev": "f757a8a09885e3c8bb76371e037b8c0731111980",
+        "revCount": 53988,
+        "type": "git",
+        "url": "https://git.openwrt.org/openwrt/openwrt.git?tag=v21.02.3"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.openwrt.org/openwrt/openwrt.git?tag=v21.02.3"
+      }
+    },
     "root": {
       "inputs": {
         "fenix": "fenix",
@@ -356,14 +405,15 @@
         "nixpkgs-master": [
           "nixpkgs-master"
         ],
-        "openwrt": "openwrt"
+        "openwrt": "openwrt",
+        "openwrt-imagebuilder": "openwrt-imagebuilder"
       },
       "locked": {
-        "lastModified": 1649432942,
-        "narHash": "sha256-puZvNMCSmYfo9zMKU4KUiotWBottonEWPhRClWuBUoM=",
+        "lastModified": 1651275116,
+        "narHash": "sha256-I6gXlwQteHGcJGbAMXegJyXL7cd4Pz/b6MjoOUGz4wU=",
         "ref": "master",
-        "rev": "9774b73408eadd571d29d528a612787de9aa31f0",
-        "revCount": 1379,
+        "rev": "7a00fd74cf205e87cc8b82f18e90037e9f0311a8",
+        "revCount": 1382,
         "type": "git",
         "url": "https://gitea.c3d2.de/zentralwerk/network.git"
       },