diff --git a/webpack.config.js b/webpack.config.js
index 10c12022a..b587713b5 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2022-2024 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Sarah Vaupel <sarah.vaupel@ifi.lmu.de>,Sarah Vaupel <vaupel.sarah@campus.lmu.de>,David Mosbach <david.mosbach@uniworx.de>
+// SPDX-FileCopyrightText: 2022-2024 Sarah Vaupel <sarah.vaupel@uniworx.de>, Gregor Kleen <gregor.kleen@ifi.lmu.de>, Sarah Vaupel <sarah.vaupel@ifi.lmu.de>, Sarah Vaupel <vaupel.sarah@campus.lmu.de>, David Mosbach <david.mosbach@uniworx.de>
 //
 // SPDX-License-Identifier: AGPL-3.0-or-later
 
@@ -9,10 +9,10 @@ tmp.setGracefulCleanup();
 const fs = require('fs-extra');
 const glob = require('glob');
 const { execSync } = require('child_process');
-const request = require('request-promise');
+const axios = require('axios');
 
 const MiniCssExtractPlugin = require('mini-css-extract-plugin');
-const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
+const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');
 const { WebpackManifestPlugin } = require('webpack-manifest-plugin');
 const { CleanWebpackPlugin } = require('clean-webpack-plugin');
 const CopyPlugin = require('copy-webpack-plugin');
@@ -27,26 +27,20 @@ const webpackVersion = require('webpack/package.json').version.split('.').slice(
 const packageVersion = require('./package.json').version;
 
 async function webpackConfig() {
-  const faviconNixDirectory = path.resolve(__dirname, '.nix-well-known');
+  const wellKnownCacheDir = path.resolve(__dirname, '.well-known-cache');
   const assetsDirectory = path.resolve(__dirname, 'assets');
   let faviconApiVersion = undefined;
 
-  if (!fs.existsSync(faviconNixDirectory)) {
-    try {
-      const faviconApiChangelog = await request({
-	method: 'GET',
-	uri: 'https://realfavicongenerator.net/api/versions',
-	headers: {
-	  'Accept': '*/*'
-	},
-	json: true
-      });
-      faviconApiVersion = faviconApiChangelog.filter(vObj => vObj.relevance.automated_update).slice(-1)[0].version;
-    } catch(e) {
-      console.error(e);
-    }
-  }
-  
+  // FIXME: fetching current favicon api version broken right now (needs adaptation to axios)
+  // if (!fs.existsSync(wellKnownCacheDir)) {
+  //   try {
+  //     const faviconApiChangelog = await axios.get('https://realfavicongenerator.net/api/versions');
+  //     faviconApiVersion = faviconApiChangelog.filter(vObj => vObj.relevance.automated_update).slice(-1)[0].version;
+  //   } catch(e) {
+  //     console.error(e);
+  //   }
+  // }
+
   return {
     module: {
       rules: [
@@ -213,12 +207,12 @@ async function webpackConfig() {
 
           const cacheDirectory = path.resolve(__dirname, '.well-known-cache', `${cacheDigest}-${lang}`);
 
-	  if (fs.existsSync(faviconNixDirectory)) {
+	  if (fs.existsSync(wellKnownCacheDir)) {
             console.log("Using favicons generated by nix");
             return [
               new CopyPlugin({
                 patterns: [
-                  { from: path.resolve(faviconNixDirectory, lang), to: path.resolve(__dirname, 'well-known', lang) }
+                  { from: path.resolve(wellKnownCacheDir, lang), to: path.resolve(__dirname, 'well-known', lang) }
                 ]
               })
             ];
@@ -285,13 +279,7 @@ async function webpackConfig() {
             sourceMap: true
           }
         }),
-        new OptimizeCSSAssetsPlugin({
-          cssProcessorOptions: {
-            map: {
-              inline: false
-            }
-          }
-        })
+        new MiniCssExtractPlugin(),
       ],
       moduleIds: 'named',
       chunkIds: 'named',