diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f8ebba..9771c86 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 Change Log
 ==========
 
-0.4.0.dev0 (yyyy-mm-dd)
+0.4.0 (2024-11-26)
 ------------------------
 
 We are pleased to announce the release of bdikit version 0.4.0.
diff --git a/bdikit/__init__.py b/bdikit/__init__.py
index 04d9a9a..414bcda 100644
--- a/bdikit/__init__.py
+++ b/bdikit/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "0.4.0.dev0"
+__version__ = "0.4.0"
 # To shortcut the import path
 from bdikit.api import *