diff --git a/backend/src/main/java/org/cryptomator/hub/license/LicenseHolder.java b/backend/src/main/java/org/cryptomator/hub/license/LicenseHolder.java
index b39b92fc..4a647114 100644
--- a/backend/src/main/java/org/cryptomator/hub/license/LicenseHolder.java
+++ b/backend/src/main/java/org/cryptomator/hub/license/LicenseHolder.java
@@ -101,9 +101,9 @@ public void set(String token) throws JWTVerificationException {
 	}
 
 	/**
-	 * Attempts to refresh the Hub licence every day at 01:00 UTC if claim refreshURL is present.
+	 * Attempts to refresh the Hub licence every day at 01:00:00 UTC if claim refreshURL is present.
 	 */
-	@Scheduled(cron = "0 1 * * * ?", timeZone = "UTC")
+	@Scheduled(cron = "0 0 1 * * ?", timeZone = "UTC", concurrentExecution = Scheduled.ConcurrentExecution.SKIP)
 	void refreshLicenseScheduler() throws InterruptedException {
 		if (license != null) {
 			var refreshUrl = licenseValidator.refreshUrl(license.getToken());