diff --git a/HISTORY.rst b/HISTORY.rst
index f97097dd..9ff2ca95 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,8 +3,8 @@
 Release History
 ---------------
 
-4.0.1 (?)
-+++++++++
+4.0.1 (2024-04-15)
+++++++++++++++++++
 
 **Features and Improvements**