diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4cc9abae0..f37c68514 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,10 +6,19 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Changed
+- le_device_db: add secure_connection argument to le_device_db_encryption_set and le_device_db_encryption_get
+
 ### Fixed
 - Crypto: fix lockup when stack is shutdown while waiting for result of HCI Command, e.g. LE Read Local P256 Public Key
 - SM: Avoid SM_EVENT_PAIRING_COMPLETE with ERROR_CODE_REMOTE_USER_TERMINATED_CONNECTION after successful pairing in responder role
 
+### Added
+- SM: Track if connection encryption is based on LE Secure Connection pairing
+- ATT DB: Validate if connection encrypted is based on SC if requested 
+- att_db_util: support ATT_SECURITY_AUTHENTICATED_SC permission flag
+- GATT Compilere: support READ_AUTHENTICATED and WRITE_AUTHENTICATED permsission flags
+
 ## Changes January 2019
 
 ### Changed