diff --git a/net/chrony/Makefile b/net/chrony/Makefile
index 9d400568e..8b73425d1 100644
--- a/net/chrony/Makefile
+++ b/net/chrony/Makefile
@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=chrony
-PKG_VERSION:=3.5
+PKG_VERSION:=4.0
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://download.tuxfamily.org/chrony/
-PKG_HASH:=4e02795b1260a4ec51e6ace84149036305cc9fc340e65edb9f8452aa611339b5
+PKG_HASH:=be27ea14c55e7a4434b2fa51d53018c7051c42fa6a3198c9aa6a1658bae0c625
 
 PKG_MAINTAINER:=Miroslav Lichvar <mlichvar0@gmail.com>
 PKG_LICENSE:=GPL-2.0
@@ -52,6 +52,7 @@ CONFIGURE_ARGS+= \
 	--sysconfdir=/etc/chrony \
 	--prefix=/usr \
 	--chronyrundir=/var/run/chrony \
+	--disable-nts \
 	--disable-readline \
 	--disable-rtc \
 	--disable-sechash \