diff --git a/History.md b/History.md
index f62ad26aa..e19a73df6 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,8 @@
+[4.1.9 / 2017-xx-xx](https://github.com/jakubpawlowicz/clean-css/compare/v4.1.8...4.1)
+==================
+
+* Fixed issue [#971](https://github.com/jakubpawlowicz/clean-css/issues/971) - edge case in removing unused at rules.
+
 [4.1.8 / 2017-09-02](https://github.com/jakubpawlowicz/clean-css/compare/v4.1.7...v4.1.8)
 ==================