diff --git a/natflow/Makefile b/natflow/Makefile
index 468541556..3bf65ac2b 100644
--- a/natflow/Makefile
+++ b/natflow/Makefile
@@ -9,10 +9,10 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=natflow
-PKG_VERSION:=20250829
+PKG_VERSION:=20250831
 
 PKG_SOURCE_URL:=https://codeload.github.com/ptpt52/natflow/tar.gz/$(PKG_VERSION)?
-PKG_HASH:=043066e202310223d5fe4b716ee86c7400325c58432507f497990eb10fa7259a
+PKG_HASH:=b4537ba11af920548f657990826495de207122651a2d082641666b60436b801e
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 
 PKG_MAINTAINER:=Chen Minqiang <ptpt52@gmail.com>