diff --git a/server/config.js b/server/config.js
index b19eece11..5f7ad3462 100644
--- a/server/config.js
+++ b/server/config.js
@@ -6,6 +6,8 @@ const isProduction = process.env.NODE_ENV === 'production';
 
 const defaultPort = isProduction ? 8080 : 3000;
 const port = process.env.PORT || defaultPort;
+// max age can be given in many units like seconds(s), minutes(m), hours(h) and days(d)
+const httpCacheMaxAge = process.env.HTTP_CACHE_MAX_AGE || '30d';
 
 function getAssetHash(filePath) {
   if (!isProduction) return '';
@@ -33,4 +35,5 @@ module.exports = {
   matomoSiteId: process.env.MATOMO_SITE_ID,
   port,
   webpackStylesExtensions: ['css', 'scss'],
+  httpCacheMaxAge,
 };
diff --git a/server/main.js b/server/main.js
index 744ba0e43..3db851920 100644
--- a/server/main.js
+++ b/server/main.js
@@ -24,7 +24,7 @@ if (serverConfig.isProduction) {
   app.use(compression());
 
   // Serve the static assets. We can cache them as they include hashes.
-  app.use('/_assets', express.static(path.resolve(__dirname, '../dist'), { maxAge: '200d' }));
+  app.use('/_assets', express.static(path.resolve(__dirname, '../dist'), { maxAge: serverConfig.httpCacheMaxAge }));
 } else {
   const webpackConfig = require('../config/webpack.development');
   const compiler = webpack(webpackConfig);