diff --git a/webpack.config.js b/webpack.config.js
index 5f4737b..0cc78d3 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -8,6 +8,11 @@ const CompressionPlugin = require("compression-webpack-plugin");
 const ESLintPlugin = require('eslint-webpack-plugin');
 const CockpitPoPlugin = require("./src/lib/cockpit-po-plugin");
 
+// HACK: OpenSSL 3 does not support md4 any more, but webpack hardcodes it all over the place: https://github.com/webpack/webpack/issues/13572
+const crypto = require("crypto");
+const crypto_orig_createHash = crypto.createHash;
+crypto.createHash = algorithm => crypto_orig_createHash(algorithm == "md4" ? "sha256" : algorithm);
+
 const webpack = require("webpack");
 
 const nodedir = path.resolve((process.env.SRCDIR || __dirname), "node_modules");