diff --git a/HISTORY.rst b/HISTORY.rst
index 440f808..f7c40c0 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,6 +3,12 @@
 History
 -------
 
+2.5.1 (2022-06-16)
+++++++++++++++++++
+
+* Specified PyPy version to PyPy 3.8.
+* Added support for Python 3.10.
+
 2.5.0 (2021-07-26)
 ++++++++++++++++++
 
diff --git a/README.rst b/README.rst
index 1e6b539..94de96d 100644
--- a/README.rst
+++ b/README.rst
@@ -33,7 +33,7 @@ Features
 
 * Fully tested with Python 3.6+.
 
-* Support for PyPy (see implementation notes in docs for more details).
+* Support for PyPy 3.8 (see implementation notes in docs for more details).
 
 * Create Django-like models:
 
diff --git a/jsonmodels/__init__.py b/jsonmodels/__init__.py
index ca66554..c84928c 100644
--- a/jsonmodels/__init__.py
+++ b/jsonmodels/__init__.py
@@ -1,3 +1,3 @@
 __author__ = "Szczepan Cieślik"
 __email__ = "szczepan.cieslik@gmail.com"
-__version__ = "2.5.0"
+__version__ = "2.5.1"