diff --git a/README.md b/README.md
index e74c3ea0aa6..52318187c8d 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ virtualenv <your-env>
 
 ## Supported Python Versions
 
-Python 3.6, 3.7, 3.8, and 3.9 are fully supported and tested. This library may work on later versions of 3, but we do not currently run tests against those versions.
+Python 3.6, 3.7, 3.8, 3.9 and 3.10 are fully supported and tested. This library may work on later versions of 3, but we do not currently run tests against those versions.
 
 ## Unsupported Python Versions
 
diff --git a/noxfile.py b/noxfile.py
index 27a87146fd4..3e23830ce36 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -45,7 +45,7 @@ def lint(session):
     )
 
 
-@nox.session(python=["3.6", "3.7", "3.8", "3.9"])
+@nox.session(python=["3.6", "3.7", "3.8", "3.9", "3.10"])
 @nox.parametrize(
     "oauth2client",
     [
diff --git a/setup.py b/setup.py
index 45ec04d1c2d..48e811a924b 100644
--- a/setup.py
+++ b/setup.py
@@ -74,6 +74,7 @@
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",