diff --git a/docs/configuration.md b/docs/configuration.md
index 5e7f1ac1..0a5f299c 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -84,7 +84,7 @@ heartbeat interval it will be considered stale and closed.  A lower
 value means less time between connections going stale and them being
 closed.
 
-Defaults to 60
+Defaults to 45
 
 
 ### master.connector_shutdown_timeout
diff --git a/packages/lib/config/definitions.js b/packages/lib/config/definitions.js
index b1ed056b..cc273315 100644
--- a/packages/lib/config/definitions.js
+++ b/packages/lib/config/definitions.js
@@ -78,7 +78,7 @@ MasterGroup.define({
 	title: "Heartbeat Interval",
 	description: "Interval heartbeats are sent out on WebSocket connections",
 	type: "number",
-	initial_value: 60,
+	initial_value: 45,
 });
 MasterGroup.define({
 	name: "connector_shutdown_timeout",