diff --git a/backend/src/app/http/session.clj b/backend/src/app/http/session.clj
index f99f2d430..db7207d15 100644
--- a/backend/src/app/http/session.clj
+++ b/backend/src/app/http/session.clj
@@ -180,7 +180,7 @@
 
 (defmethod ig/prep-key ::gc-task
   [_ cfg]
-  (merge {:max-age (dt/duration {:days 2})}
+  (merge {:max-age (dt/duration {:days 15})}
          (d/without-nils cfg)))
 
 (defmethod ig/init-key ::gc-task