diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f7c911f4..788fef6da 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,12 @@
 
 - [#4610](https://github.com/influxdata/telegraf/pull/4610): Fix initscript removes pidfile of restarted Telegraf process.
 
+## v1.9.3 [unreleased]
+
+#### Bugfixes
+
+- [#5261](https://github.com/influxdata/telegraf/pull/5261):  Fix arithmetic overflow in sqlserver input.
+
 ## v1.9.2 [2019-01-08]
 
 #### Bugfixes