diff --git a/cython/python_solvespace/__init__.py b/cython/python_solvespace/__init__.py
index 4a1631df..c9fb9846 100644
--- a/cython/python_solvespace/__init__.py
+++ b/cython/python_solvespace/__init__.py
@@ -8,7 +8,7 @@ __author__ = "Yuan Chang"
 __copyright__ = "Copyright (C) 2016-2019"
 __license__ = "GPLv3+"
 __email__ = "pyslvs@gmail.com"
-__version__ = "3.0.7"
+__version__ = "3.0.8"
 
 from .slvs import (
     quaternion_u,
diff --git a/cython/setup.cfg b/cython/setup.cfg
index c4b757d2..d09438ea 100644
--- a/cython/setup.cfg
+++ b/cython/setup.cfg
@@ -15,6 +15,7 @@ classifiers =
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
     Programming Language :: Cython
     Topic :: Scientific/Engineering
     License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)