diff --git a/icwmp/Makefile b/icwmp/Makefile
index e8a4615f4..1aaf0bd4a 100755
--- a/icwmp/Makefile
+++ b/icwmp/Makefile
@@ -8,11 +8,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=icwmp
-PKG_VERSION:=6.3.9-2021-01-07
+PKG_VERSION:=6.4.0-2021-01-08
 PKG_FIXUP:=autoreconf
 PKG_SOURCE_URL:=https://dev.iopsys.eu/iopsys/icwmp.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_VERSION:=bd65ccf98ce92fd77bf4ca15b8f8795a6570a3b3
+PKG_SOURCE_VERSION:=4f3fc8422d7ed055e1ef39af564ea7f7f9e35d1d
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)