diff --git a/enconnect/mattermost/client.py b/enconnect/mattermost/client.py
index 0758109..899da8f 100644
--- a/enconnect/mattermost/client.py
+++ b/enconnect/mattermost/client.py
@@ -15,6 +15,7 @@
 from typing import Optional
 from typing import TYPE_CHECKING
 
+from encommon.times import Timer
 from encommon.types import DictStrAny
 from encommon.types import NCNone
 from encommon.types import sort_dict
@@ -36,6 +37,12 @@
 
 
 
+PING = {
+    'action': 'ping',
+    'seq': 1}
+
+
+
 class Client:
     """
     Establish and maintain connection with the chat service.
@@ -210,6 +217,10 @@ def __operate(
         assert socket is not None
 
 
+        timer = Timer(
+            30, start='min')
+
+
         self.__identify()
 
 
@@ -221,6 +232,13 @@ def __operate(
             if receive is not None:
                 self.__event(receive)
 
+            if timer.pause():
+                continue  # NOCVR
+
+            logger(item='ping')
+
+            self.socket_send(PING)
+
 
         logger(item='close')