diff --git a/flake.lock b/flake.lock
index c4d41387..bcee441e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -8,11 +8,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1635620489,
-        "narHash": "sha256-DDYPAswObBj+Q0b68GxgMa3b+BnREIl12ttVTbrKuFw=",
+        "lastModified": 1635632287,
+        "narHash": "sha256-9JkB+zhitgmc7C/7EPp+vsaa+VsBuK7cl2YozR+7mKs=",
         "ref": "master",
-        "rev": "6ef9ebb046e6f0d5369218b98d4c7bd35d2bd808",
-        "revCount": 17,
+        "rev": "505d6ef10343703104a97379f5f3dea753a3ea0b",
+        "revCount": 18,
         "type": "git",
         "url": "https://gitea.c3d2.de/astro/heliwatch.git"
       },
@@ -60,11 +60,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1633793047,
-        "narHash": "sha256-XSMlHMVPKwcEqyHGdFj/ZeGMeZeKNwVExOfLlxcg4oE=",
+        "lastModified": 1635449388,
+        "narHash": "sha256-i7hMiAgpRTGsMPTQKuNCDfW/ftQ+g9N6iaMj+RN6yws=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "3aabf78bfcae62f5f99474f2ebbbe418f1c6e54f",
+        "rev": "518b9c2159e7d4b7696ee18b8828f9086012923b",
         "type": "github"
       },
       "original": {
@@ -120,11 +120,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1634782485,
-        "narHash": "sha256-psfh4OQSokGXG0lpq3zKFbhOo3QfoeudRcaUnwMRkQo=",
+        "lastModified": 1635844945,
+        "narHash": "sha256-tZcL307dj28jgEU1Wdn+zwG9neyW0H2+ZjdVhvJxh9g=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "34ad3ffe08adfca17fcb4e4a47bb5f3b113687be",
+        "rev": "b67e752c29f18a0ca5534a07661366d6a2c2e649",
         "type": "github"
       },
       "original": {
@@ -136,11 +136,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1634883236,
-        "narHash": "sha256-Z9ofgNzSmYVhs+STOAvk6QNy5KVsUmADOE+UIfur2ug=",
+        "lastModified": 1636196544,
+        "narHash": "sha256-15s56Yu3vF8Na4yx4HkNc3997WZltOIB2CT1sOiCKKM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b0274abf85097e9a2da868b28a5532918dc14380",
+        "rev": "ce48bcdde86eef5780a60bea55b9bc9dbd8248cd",
         "type": "github"
       },
       "original": {
@@ -166,6 +166,23 @@
         "type": "github"
       }
     },
+    "openwrt": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1635777325,
+        "narHash": "sha256-NigEYi+patV+QHfC/KKvgyKypfzw51RsC2MaPmbJXtc=",
+        "ref": "openwrt-21.02",
+        "rev": "b4c40a7efc59caada8190d545d077521c747b7cc",
+        "revCount": 50790,
+        "type": "git",
+        "url": "https://git.openwrt.org/openwrt/openwrt.git"
+      },
+      "original": {
+        "ref": "openwrt-21.02",
+        "type": "git",
+        "url": "https://git.openwrt.org/openwrt/openwrt.git"
+      }
+    },
     "root": {
       "inputs": {
         "heliwatch": "heliwatch",
@@ -301,14 +318,15 @@
       "inputs": {
         "nixpkgs": "nixpkgs_3",
         "nixpkgs-master": "nixpkgs-master",
+        "openwrt": "openwrt",
         "zentralwerk-network-key": "zentralwerk-network-key"
       },
       "locked": {
-        "lastModified": 1634520770,
-        "narHash": "sha256-0vRVAZ/bbTnB23JQ2FKpUgEkLdRj4OkXapXOehhTpRw=",
+        "lastModified": 1636251699,
+        "narHash": "sha256-KUglGnWyRMSJww/KvRojdqad1TqSU59mOf6FpukOD/g=",
         "ref": "master",
-        "rev": "f54fa47fd89db1a25b136ab516bb78bbc3a3692f",
-        "revCount": 1213,
+        "rev": "733f04258dd709ce4a704a1511e35b6ec16315f6",
+        "revCount": 1233,
         "type": "git",
         "url": "https://gitea.c3d2.de/zentralwerk/network.git"
       },