diff --git a/CHANGELOG.md b/CHANGELOG.md
index 776ea73403..90d16157f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+15-12-2020 6.4.200
+- Address book: Fixed problem with 6.3 upgrade
+
 15-12-2020 6.4.199
 - Address book: Birthday portlet query improved
 - Core: Fixed error on new link
diff --git a/www/version.php b/www/version.php
index 9ff8d69098..75331957e1 100644
--- a/www/version.php
+++ b/www/version.php
@@ -1,2 +1,2 @@
 <?php
-return "6.4.199";
+return "6.4.200";