diff --git a/app/config.py b/app/config.py
index 5b9c4a89a..29fb57d61 100644
--- a/app/config.py
+++ b/app/config.py
@@ -312,7 +312,7 @@ class Config(object):
         },
         'trigger-link-tests': {
             'task': 'trigger-link-tests',
-            'schedule': timedelta(minutes=5),
+            'schedule': timedelta(minutes=15),
             'options': {'queue': QueueNames.PERIODIC}
         },
     }