diff --git a/test/emqx_broker_SUITE.erl b/test/emqx_broker_SUITE.erl
index 66ed608f9..575832bf8 100644
--- a/test/emqx_broker_SUITE.erl
+++ b/test/emqx_broker_SUITE.erl
@@ -438,7 +438,7 @@ t_connect_client_never_negative({'end', _Config}) ->
     ok.
 
 wait_for_events(Action, Kinds) ->
-    wait_for_events(Action, Kinds, 100).
+    wait_for_events(Action, Kinds, 500).
 
 wait_for_events(Action, Kinds, Timeout) ->
     Predicate = fun(#{?snk_kind := K}) ->
@@ -465,7 +465,7 @@ wait_for_stats(Action, Stats) ->
                         false
                 end,
     N = length(Stats),
-    Timeout = 100,
+    Timeout = 500,
     {ok, Sub} = snabbkaffe_collector:subscribe(Predicate, N, Timeout, 0),
     Res = Action(),
     case snabbkaffe_collector:receive_events(Sub) of