diff --git a/natflow/Makefile b/natflow/Makefile
index b8fa43e39..396cfc14d 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:=20250503
+PKG_VERSION:=20250505
 
 PKG_SOURCE_URL:=https://codeload.github.com/ptpt52/natflow/tar.gz/$(PKG_VERSION)?
-PKG_HASH:=6dab36be395afccf3498a47b51e80e4c1a111ce8c49acbb2842e0d7ef5592a45
+PKG_HASH:=33b58db109fef50282b15cde028a397ff6dbf940d7c26f6418eec511796efebd
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 
 PKG_MAINTAINER:=Chen Minqiang <ptpt52@gmail.com>