diff --git a/backend/api.test/EventHandlers/TestMissionEventHandler.cs b/backend/api.test/EventHandlers/TestMissionEventHandler.cs
index a90b9f4d..685cd362 100644
--- a/backend/api.test/EventHandlers/TestMissionEventHandler.cs
+++ b/backend/api.test/EventHandlers/TestMissionEventHandler.cs
@@ -94,7 +94,7 @@ public async Task ScheduledMissionStartedWhenSystemIsAvailable()
 
             // Act
             await MissionRunService.Create(missionRun);
-            Thread.Sleep(100);
+            Thread.Sleep(1000);
 
             // Assert
             var postTestMissionRun = await MissionRunService.ReadById(