diff --git a/scripts/py_matter_yamltests/matter_yamltests/websocket_runner.py b/scripts/py_matter_yamltests/matter_yamltests/websocket_runner.py
index f32968debfacfc..c90c50d15a177f 100644
--- a/scripts/py_matter_yamltests/matter_yamltests/websocket_runner.py
+++ b/scripts/py_matter_yamltests/matter_yamltests/websocket_runner.py
@@ -22,7 +22,7 @@
 from .hooks import WebSocketRunnerHooks
 from .runner import TestRunner
 
-_KEEP_ALIVE_TIMEOUT_IN_SECONDS = 40
+_KEEP_ALIVE_TIMEOUT_IN_SECONDS = 120
 _MAX_MESSAGE_SIZE_IN_BYTES = 10485760  # 10 MB