diff --git a/HISTORY.rst b/HISTORY.rst
index 684bebde..a29471cc 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,6 +3,15 @@
 Changelog
 =========
 
+v4.0.1
+------
+Release Date: 2022-07-16
+
+* Documentation
+
+  * Added section about reliability in handbook
+  * Improved cross referencing
+
 v4.0.0
 ------
 Release Date: 2022-07-15
@@ -1015,5 +1024,6 @@ v1.0.1
 
 
 
+