diff --git a/HISTORY.rst b/HISTORY.rst
index 4b6214b04..678ba1797 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -5,6 +5,9 @@ History
 Unreleased
 ----------
 
+1.8.1 (2019-09-27)
+------------------
+
 * BUGFIX: `memory_unit` is now passed to the Kotlin generator.
 
 1.8.0 (2019-09-26)