diff --git a/src/relaxed/__init__.py b/src/relaxed/__init__.py
index 8cb4479..ef85934 100644
--- a/src/relaxed/__init__.py
+++ b/src/relaxed/__init__.py
@@ -7,7 +7,7 @@
 
 from __future__ import annotations
 
-__version__ = "0.3.0"
+__version__ = "0.4.0"
 
 __all__ = (
     "__version__",