diff --git a/test/support/integration/teams_server.ex b/test/support/integration/teams_server.ex
index f196cc92a..ee24354e2 100644
--- a/test/support/integration/teams_server.ex
+++ b/test/support/integration/teams_server.ex
@@ -205,7 +205,7 @@ defmodule Livebook.TeamsServer do
   end
 
   defp app_port do
-    System.get_env("TEAMS_PORT", "5053")
+    System.get_env("TEAMS_PORT", "4123")
   end
 
   defp debug do