diff --git a/app/drivers/sertrf/sertrf.c b/app/drivers/sertrf/sertrf.c
index df03f5f..ba230d2 100644
--- a/app/drivers/sertrf/sertrf.c
+++ b/app/drivers/sertrf/sertrf.c
@@ -53,13 +53,13 @@ void sertrf_start(void)
                      "embedded_thread",
                      embedded_thread,
                      NULL,
-                     2048,
+                     4096,
                      20);
     os_thread_create(&sertrf.pc_thread,
                      "pc_thread",
                      pc_thread,
                      NULL,
-                     2048,
+                     4096,
                      20);
     os_thread_create(&sertrf.app_thread,
                      "app_thread",