diff --git a/services/real-time/app.js b/services/real-time/app.js
index 2a024abc57..2373abb613 100644
--- a/services/real-time/app.js
+++ b/services/real-time/app.js
@@ -49,6 +49,7 @@ DeploymentManager.initialise()
 const app = express()
 
 const server = require('http').createServer(app)
+server.keepAliveTimeout = Settings.keepAliveTimeoutMs
 const io = require('socket.io').listen(server, {
   logger: socketIoLogger,
 })
diff --git a/services/real-time/config/settings.defaults.js b/services/real-time/config/settings.defaults.js
index b60655a24a..4252a8765c 100644
--- a/services/real-time/config/settings.defaults.js
+++ b/services/real-time/config/settings.defaults.js
@@ -166,6 +166,7 @@ const settings = {
 
   behindProxy: process.env.BEHIND_PROXY === 'true',
   trustedProxyIps: process.env.TRUSTED_PROXY_IPS,
+  keepAliveTimeoutMs: parseInt(process.env.KEEPALIVE_TIMEOUT_MS ?? '5000', 10),
 }
 
 // console.log settings.redis