diff --git a/flake.lock b/flake.lock
index 1944cf1a..23df4494 100644
--- a/flake.lock
+++ b/flake.lock
@@ -56,26 +56,26 @@
         ]
       },
       "locked": {
-        "lastModified": 1641890987,
-        "narHash": "sha256-CJOAOlk7mZlBVvUiv9q8SYkK0rjY0UmkWedMI0eajWE=",
-        "owner": "mhuesch",
+        "lastModified": 1650265945,
+        "narHash": "sha256-SO8+1db4jTOjnwP++29vVgImLIfETSXyoz0FuLkiikE=",
+        "owner": "nix-community",
         "repo": "naersk",
-        "rev": "193e049d6e4c841faf800e302551d2e0a48eee88",
+        "rev": "e8f9f8d037774becd82fce2781e1abdb7836d7df",
         "type": "github"
       },
       "original": {
-        "owner": "mhuesch",
+        "owner": "nix-community",
         "repo": "naersk",
         "type": "github"
       }
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1648141026,
-        "narHash": "sha256-h8e3+5EZFbYHTMb0DN2ACuQTJBNHpqigvmEV1w2WIuE=",
+        "lastModified": 1650522846,
+        "narHash": "sha256-SxWHXRI3qJwswyXAtzsi6PKVY3KLNNnb072KaJthII8=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "feceb4d24f582817d8f6e737cd40af9e162dee05",
+        "rev": "6b4ebea9093c997c5f275c820e679108de4871ab",
         "type": "github"
       },
       "original": {
@@ -86,11 +86,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1648362956,
-        "narHash": "sha256-0V+7oq4vZZBAVHZODehNQIFsnk/zLFeank+n9/JFFeI=",
+        "lastModified": 1650814923,
+        "narHash": "sha256-xbwwExPE+1X12kPeBBqlpjzZqr8/tIyrAynx86hBC78=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "9ccf045d61415895117dea79383e17c5c4abd2f6",
+        "rev": "bba2203c18fe55e6143a5f89aa9decc0fdd3d208",
         "type": "github"
       },
       "original": {
@@ -102,11 +102,11 @@
     },
     "nixpkgs-master": {
       "locked": {
-        "lastModified": 1650227249,
-        "narHash": "sha256-4mbH9TNyvZPJfYIisuOX6mg+6RlCvffizZPdx5aQm1Y=",
+        "lastModified": 1650828226,
+        "narHash": "sha256-kAfeQ3qYms2ypsntCC9/K7eKhkYuXo2W2M9On62MGFM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "63f81838e2c858d8c6ca330483421ac0b62526a3",
+        "rev": "3c632ea1f62ea76be77b57a28e65615b4c8e5148",
         "type": "github"
       },
       "original": {
@@ -150,11 +150,11 @@
     "openwrt": {
       "flake": false,
       "locked": {
-        "lastModified": 1646058092,
-        "narHash": "sha256-XZmvtONx6Y0XpwFHoq/9+HTAbVppo4c8JowbVMen6ds=",
+        "lastModified": 1648742877,
+        "narHash": "sha256-YzVapVywbZKg98b7GEN8uLeuxJH2GHe90Q17dTYmImE=",
         "ref": "openwrt-21.02",
-        "rev": "b2896d413e4a4ac6593b9473a8d1201ee9876a62",
-        "revCount": 50965,
+        "rev": "ee62912b2db0018cd370f2c110e1391ee779cc6d",
+        "revCount": 51004,
         "type": "git",
         "url": "https://git.openwrt.org/openwrt/openwrt.git"
       },
@@ -247,11 +247,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1647279403,
-        "narHash": "sha256-ZsHfMah9+TElcjaENsaOIFHBNNtSbXmyLFVbiJiAECs=",
+        "lastModified": 1649756291,
+        "narHash": "sha256-KTll8bCINAzIUGaaMrbn9wb5nfhkXRLgmFrWGR/Dku0=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "c01f48b055ac776f9831c9d4a0fff83e3b74dbe3",
+        "rev": "c2614c4fe61943b3d280ac1892fcebe6e8eaf8c8",
         "type": "github"
       },
       "original": {
@@ -277,7 +277,11 @@
       }
     },
     "ticker": {
-      "flake": false,
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
       "locked": {
         "lastModified": 1646013728,
         "narHash": "sha256-CBQbjZnsT4a71y1DTkLe+sVC05ZpSr0BQYFUQiihI/o=",
@@ -355,11 +359,11 @@
         "openwrt": "openwrt"
       },
       "locked": {
-        "lastModified": 1648264020,
-        "narHash": "sha256-x1qQjGCRi0FtaVM7O8j2jvugsaHEilwRtPCjrc/nNvc=",
+        "lastModified": 1649432942,
+        "narHash": "sha256-puZvNMCSmYfo9zMKU4KUiotWBottonEWPhRClWuBUoM=",
         "ref": "master",
-        "rev": "4625eef8cb7b00a3b21e0e91adac7a00c9178b8c",
-        "revCount": 1375,
+        "rev": "9774b73408eadd571d29d528a612787de9aa31f0",
+        "revCount": 1379,
         "type": "git",
         "url": "https://gitea.c3d2.de/zentralwerk/network.git"
       },
diff --git a/flake.nix b/flake.nix
index 5343f894..6869ef41 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,7 +29,10 @@
     spacemsg.flake = false;
     tigger.url = "github:astro/tigger";
     tigger.flake = false;
-    ticker.url = "git+https://gitea.c3d2.de/astro/ticker.git";
+    ticker = {
+      url = "git+https://gitea.c3d2.de/astro/ticker.git";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     heliwatch = {
       url = "git+https://gitea.c3d2.de/astro/heliwatch.git";
       inputs = {
@@ -44,7 +47,7 @@
         nixpkgs.follows = "nixpkgs";
       };
     };
-    naersk.url = "github:mhuesch/naersk";
+    naersk.url = "github:nix-community/naersk";
     naersk.inputs.nixpkgs.follows = "nixpkgs";
     # TODO: https://github.com/nix-community/fenix/pull/68
     # fenix.url = "github:nix-community/fenix";