diff --git a/utils/rtty/Makefile b/utils/rtty/Makefile
index bdf2cd180..291839b11 100644
--- a/utils/rtty/Makefile
+++ b/utils/rtty/Makefile
@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=rtty
-PKG_VERSION:=6.4.0
+PKG_VERSION:=6.4.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_VERSION:=v$(PKG_VERSION)
 PKG_SOURCE_URL=https://codeload.github.com/zhaojh329/rtty/tar.gz/v$(PKG_VERSION)?
-PKG_HASH:=b5f9fc015313170d625f47ae78ff69674a38de70f4c03b021c6a6134e755795f
+PKG_HASH:=9f3d792115f268f659c8d3e009591c5e92e2527427623db961f714c59fabe5fb
 CMAKE_INSTALL:=1
 
 PKG_BUILD_DIR=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_SOURCE_SUBDIR)