diff --git a/Release-notes.md b/Release-notes.md
index 0b976f8..30dcaf1 100644
--- a/Release-notes.md
+++ b/Release-notes.md
@@ -2,6 +2,8 @@
 
 ## On going changes
 
+## March 7th, 2023. Release 4.0.1
+
 ### Corrected bugs
 
 - Makes progress bar updating at most 10 times per second.