diff --git a/CHANGES.rst b/CHANGES.rst
index 54e6708..2e4b81f 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -9,6 +9,12 @@
 Changes
 =======
 
+Version v0.4.0 (released 2025-02-13)
+------------------------------------
+
+- Unpin ``pluggy``.
+
+
 Version 0.3.2 (released 2022-10-31)
 -----------------------------------
 
diff --git a/jsonresolver/__init__.py b/jsonresolver/__init__.py
index 4a1ccd5..2fa6720 100644
--- a/jsonresolver/__init__.py
+++ b/jsonresolver/__init__.py
@@ -14,7 +14,7 @@
 from .decorators import route
 from .hookimpl import hookimpl
 
-__version__ = "0.3.2"
+__version__ = "0.4.0"
 
 __all__ = (
     "JSONResolver",