diff --git a/apps/emqx/test/emqx_banned_SUITE.erl b/apps/emqx/test/emqx_banned_SUITE.erl
index 0c14f64c9..9419ba4c3 100644
--- a/apps/emqx/test/emqx_banned_SUITE.erl
+++ b/apps/emqx/test/emqx_banned_SUITE.erl
@@ -186,7 +186,7 @@ t_session_taken(_) ->
                     false
             end
         end,
-        6000
+        15_000
     ),
     Publish(),