diff --git a/CHANGELOG.md b/CHANGELOG.md
index b948b2ed..db3928cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,10 +18,20 @@ The git repositories are hosted at the following sites:
 
 ### Added
 
+* Added more tool descriptions to bin/readme.txt file
+* Added bacnet_npdu_encode_pdu API with additional size of PDU argument. (#549)
+
 ### Changed
 
+* Changed npdu_encode function to return length when given a NULL buffer. (#549)
+* Changed NPDU handler use local buffer which reduced TSM dependency. (#549)
+
 ### Fixed
 
+* Fixed spelling in bacucov help message.
+* Fixed COBS conversion for large MSTP data-not-expecting-reply frames. (#550)
+* Fixed compilation with BACNET_SVC_SERVER=1 for client apps. (#552)
+
 ## [1.3.2] - 2023-12-21
 
 ### Security