diff --git a/GamestatsBase b/GamestatsBase
index 4c971789..4d899d0f 160000
--- a/GamestatsBase
+++ b/GamestatsBase
@@ -1 +1 @@
-Subproject commit 4c971789f6bae126425211073ee30e3a11073054
+Subproject commit 4d899d0f5959d41138f22a6d27a3a210c1fc30e0
diff --git a/gts/Global.asax.cs b/gts/Global.asax.cs
index b5719dba..e6fbf4ed 100644
--- a/gts/Global.asax.cs
+++ b/gts/Global.asax.cs
@@ -57,6 +57,7 @@ namespace PkmnFoundations.GTS
 
         void Application_EndRequest(object sender, EventArgs e)
         {
+            GamestatsSessionManager.FromContext(Context).PruneSessions();
         }
 
         public static String RewriteUrl(String url, out String pathInfo, out String query)