diff --git a/src/main/java/uk/ac/cam/cl/dtg/segue/api/Constants.java b/src/main/java/uk/ac/cam/cl/dtg/segue/api/Constants.java
index cce4faf0f..987c99e2d 100644
--- a/src/main/java/uk/ac/cam/cl/dtg/segue/api/Constants.java
+++ b/src/main/java/uk/ac/cam/cl/dtg/segue/api/Constants.java
@@ -557,7 +557,7 @@ public static SchoolInfoStatus get(final boolean schoolIdProvided, final boolean
     public static final int NEVER_CACHE_WITHOUT_ETAG_CHECK = 0;
 
     public static final String ANONYMOUS_USER = "ANONYMOUS_USER";
-    public static final int LAST_SEEN_UPDATE_FREQUENCY_MINUTES = 5;
+    public static final int LAST_SEEN_UPDATE_FREQUENCY_MINUTES = 15;
 
     /**
      * Redirect response field name.