diff --git a/configs/bots/autorenkalender.nix b/configs/bots/autorenkalender.nix
index c4a16f0..bf90abf 100644
--- a/configs/bots/autorenkalender.nix
+++ b/configs/bots/autorenkalender.nix
@@ -1,17 +1,9 @@
 {
-  pkgs,
-  lib,
   config,
+  inputs,
   ...
 }: let
-  autorenkalender-package = pkgs.fetchFromGitHub {
-    owner = "kmein";
-    repo = "autorenkalender";
-    rev = "cf49a7b057301332d980eb47042a626add93db66";
-    sha256 = "1pa7sjg33vdnjianrqldv445jdzzv3mn231ljk1j58hs0cd505gs";
-  };
-  autorenkalender =
-    pkgs.python3Packages.callPackage autorenkalender-package {};
+  autorenkalender = inputs.autorenkalender.packages.x86_64-linux.default;
 in {
   niveum.bots.autorenkalender = {
     enable = true;
diff --git a/flake.lock b/flake.lock
index 24ea86d..7e99032 100644
--- a/flake.lock
+++ b/flake.lock
@@ -90,6 +90,26 @@
         "type": "github"
       }
     },
+    "autorenkalender": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1764859438,
+        "narHash": "sha256-OahcfG2AH4ackDw/xamqwVnZr+pFSIk/hBaYmy4bALI=",
+        "owner": "kmein",
+        "repo": "autorenkalender",
+        "rev": "b06647b0ead5157a9bd8bbd2c66a8b2367c6f123",
+        "type": "github"
+      },
+      "original": {
+        "owner": "kmein",
+        "repo": "autorenkalender",
+        "type": "github"
+      }
+    },
     "base16": {
       "inputs": {
         "fromYaml": "fromYaml"
@@ -1544,6 +1564,7 @@
     "root": {
       "inputs": {
         "agenix": "agenix",
+        "autorenkalender": "autorenkalender",
         "coptic-dictionary": "coptic-dictionary",
         "flake-utils": "flake-utils_3",
         "home-manager": "home-manager_2",
diff --git a/flake.nix b/flake.nix
index 5ed05e8..5e519c9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,6 +6,7 @@
 
     agenix.url = "github:ryantm/agenix";
     # alew-web.url = "git+ssh://gitea@code.kmein.de:22022/kfm/alew-web.git?ref=refs/heads/master";
+    autorenkalender.url = "github:kmein/autorenkalender";
     coptic-dictionary.url = "github:kmein/coptic-dictionary";
     flake-utils.url = "github:numtide/flake-utils";
     home-manager.url = "github:nix-community/home-manager/release-25.11";
@@ -30,6 +31,7 @@
     wallpapers.url = "github:kmein/wallpapers";
     ical-ephemeris.url = "git+ssh://gitea@code.kmein.de:22022/kfm/ical-ephemeris";
 
+    autorenkalender.inputs.nixpkgs.follows = "nixpkgs";
     agenix.inputs.home-manager.follows = "home-manager";
     agenix.inputs.nixpkgs.follows = "nixpkgs";
     coptic-dictionary.inputs.nixpkgs.follows = "nixpkgs";