diff --git a/src/gh.js b/src/gh.js
index abf9af94..4f459a5b 100644
--- a/src/gh.js
+++ b/src/gh.js
@@ -54,7 +54,7 @@ async function removeRunner() {
 async function waitForRunnerRegistered(label) {
   const timeoutMinutes = 5;
   const retryIntervalSeconds = 10;
-  const quietPeriodSeconds = 30;
+  const quietPeriodSeconds = 300;
   let waitSeconds = 0;
 
   core.info(`Waiting ${quietPeriodSeconds}s for the AWS EC2 instance to be registered in GitHub as a new self-hosted runner`);