diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 63287d9..1a54f6a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9"]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
     
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
diff --git a/CHANGES.rst b/CHANGES.rst
index 706c56b..5e84166 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -6,6 +6,7 @@ unreleased
 - add contexts to coverage report
 - pin documentation dependencies to prevent future breakage
 - fix typing errors (mypy) with recently released Flask 2.0.1
+- add support for Python 3.10
 
 
 1.1.0 (2021.05.09)
diff --git a/setup.py b/setup.py
index 24cea04..5e26709 100644
--- a/setup.py
+++ b/setup.py
@@ -65,6 +65,7 @@ def read(*parts):
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Framework :: Flask",
diff --git a/tox.ini b/tox.ini
index e685563..97876d5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,6 +4,7 @@ envlist =
     py37,
     py38,
     py39,
+    py310,
     pre-commit,
     mypy,
     coverage,
@@ -57,8 +58,9 @@ python_classes = Test[A-Z]*
 python =
     3.6: py36
     3.7: py37
-    3.8: py38
-    3.9: py39, pre-commit, mypy, coverage
+    3.8: py38, mypy
+    3.9: py39, coverage
+    3.10: py310, pre-commit
 
 
 [testenv:docs]