diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8788e9..f914dd0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 <!--next-version-placeholder-->
 
+## v4.0.1 (2021-11-18)
+### Fix
+* docstrings ([`3029762`](https://github.com/MicaelJarniac/BuildURL/commit/30297628ab0f3ba32467b7de52199127129fe3da))
+* wrong pre-commit hook property name ([`4e13d69`](https://github.com/MicaelJarniac/BuildURL/commit/4e13d69d57bd2b7a3e740fe9e8c3ca94ddeb394d))
+* py.typed ([`b0bb774`](https://github.com/MicaelJarniac/BuildURL/commit/b0bb774eeb4e945dd4822fe97b598095dbb32901))
+
 ## v4.0.0 (2021-04-03)
 ### Feature
 * option to force trailing slash ([`299f3b3`](https://github.com/MicaelJarniac/BuildURL/commit/299f3b39ad7a75c544bae26b14013a70a0d5e1cd))
diff --git a/buildurl/__init__.py b/buildurl/__init__.py
index c49a58b..f1d111b 100644
--- a/buildurl/__init__.py
+++ b/buildurl/__init__.py
@@ -1,5 +1,5 @@
 """Simple URL builder."""
 
-__version__ = "4.0.0"
+__version__ = "4.0.1"
 
 from .builder import BuildURL