diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd3eed2185..62f8f3097d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+12-01-2021 6.4.210
+- Core: Fixed constraint error in database check
+
 11-01-2021 6.4.209
 - Core: more consistent event handler naming
 - Addressbook: display gender in title if applicable
diff --git a/www/version.php b/www/version.php
index ca7ea97c27..f55de8eb85 100644
--- a/www/version.php
+++ b/www/version.php
@@ -1,2 +1,2 @@
 <?php
-return "6.4.209";
+return "6.4.210";