diff --git a/ChangeLog b/ChangeLog
index c328d22a..3e336ec5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,11 @@
 	* Fix free-busy-query REPORT if start/end is missing, previously the
 	  current timestamp was used for missing values.
 
+2024-03-01 Andrew Ruthven <andrew@etc.gen.nz>
+	* Enforce dates sent to PostgreSQL to be strings, this allows us to
+	  to support dates prior to 1900. We now allow dates from 1 AD to
+	  9999 AD.
+
 2023-03-02 Florian Schlichting <fsfs@debian.org>
 	* release davical 1.1.12
 	* add Debian autopkgtests