diff --git a/NEWS b/NEWS
index 3413361..7999c60 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,30 @@
+New in version 4.0
+==================
+
+Enhancements
+------------
+* Add support for Network Time Security (NTS) authentication
+* Add support for AES-CMAC keys (AES128, AES256) with Nettle
+* Add support for maxsamples of 1 for faster update with -q/-Q option
+* Add -L option to limit log messages by severity
+* Avoid replacing NTP sources with unreachable addresses
+* Improve NTP loop test to prevent synchronisation to itself
+* Update clock synchronisation status and leap status more frequently
+* Update seccomp filter
+* Add "add pool" command
+* Add -N option and sourcename command to print original names of sources
+* Add -a option to source/sourcestats command to print unresolved sources
+* Add reset command to drop all measurements
+
+Bug fixes
+---------
+* Handle RTCs that don't support interrupts
+* Respond to command requests with correct address on multihomed hosts
+
+Removed features
+----------------
+* Drop support for RIPEMD keys (RMD128, RMD160, RMD256, RMD320)
+
 New in version 3.5
 ==================