diff --git a/tools/test_apps/protocols/mqtt/publish_connect_test/main/idf_component.yml b/tools/test_apps/protocols/mqtt/publish_connect_test/main/idf_component.yml
index 9eba86b13b..5d8a7d6a75 100644
--- a/tools/test_apps/protocols/mqtt/publish_connect_test/main/idf_component.yml
+++ b/tools/test_apps/protocols/mqtt/publish_connect_test/main/idf_component.yml
@@ -1,7 +1,7 @@
 ## IDF Component Manager Manifest File
 dependencies:
   espressif/mosquitto:
-    version: "*"
+    version: ">=2.0.20"
   protocol_examples_common:
     path: ${IDF_PATH}/examples/common_components/protocol_examples_common
   idf:
diff --git a/tools/test_apps/protocols/mqtt/publish_connect_test/main/publish_connect_test.c b/tools/test_apps/protocols/mqtt/publish_connect_test/main/publish_connect_test.c
index d720a6d26f..f3164397b7 100644
--- a/tools/test_apps/protocols/mqtt/publish_connect_test/main/publish_connect_test.c
+++ b/tools/test_apps/protocols/mqtt/publish_connect_test/main/publish_connect_test.c
@@ -316,7 +316,7 @@ void app_main(void)
     ESP_ERROR_CHECK(esp_netif_init());
     ESP_ERROR_CHECK(esp_event_loop_create_default());
 #ifdef CONFIG_EXAMPLE_RUN_LOCAL_BROKER
-    xTaskCreate(broker_task, "broker", 4096, NULL, 4, NULL);
+    xTaskCreate(broker_task, "broker", 8192, NULL, 4, NULL);
 #endif
     ESP_ERROR_CHECK(example_connect());
     esp_console_repl_t *repl = NULL;