diff --git a/neural_tangents/__init__.py b/neural_tangents/__init__.py
index 0eed642..aa73af6 100644
--- a/neural_tangents/__init__.py
+++ b/neural_tangents/__init__.py
@@ -16,7 +16,7 @@
 """Public Neural Tangents modules and functions."""
 
 
-__version__ = '0.6.3'
+__version__ = '0.6.4'
 
 from . import experimental
 from . import predict
diff --git a/setup.py b/setup.py
index f8c199d..794bc01 100644
--- a/setup.py
+++ b/setup.py
@@ -120,6 +120,7 @@ def _get_version() -> str:
     classifiers=[
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
         'License :: OSI Approved :: Apache Software License',
         'Operating System :: MacOS',
         'Operating System :: POSIX :: Linux',