diff --git a/sing-box/Makefile b/sing-box/Makefile
index 1e7bc61a2..0a6ede3b2 100644
--- a/sing-box/Makefile
+++ b/sing-box/Makefile
@@ -5,12 +5,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=sing-box
-PKG_VERSION:=1.13.11
+PKG_VERSION:=1.14.0-alpha.21
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/SagerNet/sing-box/tar.gz/v$(PKG_VERSION)?
-PKG_HASH:=5e35f2cc0ad14d3beb1956157fe3f4b3a36787dd115f247c72f2d550d353853b
+PKG_HASH:=c07c9d8572cfcfc3f618604951294dc81e14e7bf0fe75ffd42597298721e37cb
 
 PKG_LICENSE:=GPL-3.0-or-later
 PKG_LICENSE_FILES:=LICENSE