diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d82f04..4247506 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to `ssl-certificate` will be documented in this file
 
+## 1.12.3 - 2018-02-26
+
+- convert IDN to ASCII before attempting to validate
+
 ## 1.12.2 - 2018-02-05
 
 - fix bug where wildcard matching could be wrong