diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index 151df52..30e5379 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "windows-2019"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10'
 
     strategy:
       fail-fast: False
@@ -32,6 +32,7 @@ jobs:
           - {python-version: "3.7", testenvs: "py37,build", experimental: False}
           - {python-version: "3.8", testenvs: "py38,build", experimental: False}
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
+          - {python-version: "3.10", testenvs: "py310,build", experimental: False}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_linux.yml b/.github/workflows/python_ci_linux.yml
index 7dc7a99..ba00e5c 100644
--- a/.github/workflows/python_ci_linux.yml
+++ b/.github/workflows/python_ci_linux.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: "ubuntu-20.04"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10'
 
     strategy:
       fail-fast: False
@@ -33,6 +33,7 @@ jobs:
           - {python-version: "3.7", testenvs: "py37,build", experimental: False}
           - {python-version: "3.8", testenvs: "py38,build", experimental: False}
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
+          - {python-version: "3.10", testenvs: "py310,build", experimental: False}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_macos.yml b/.github/workflows/python_ci_macos.yml
index f64cbbe..bae6bb4 100644
--- a/.github/workflows/python_ci_macos.yml
+++ b/.github/workflows/python_ci_macos.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: "macos-latest"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10'
 
     strategy:
       fail-fast: False
@@ -32,6 +32,7 @@ jobs:
           - {python-version: "3.7", testenvs: "py37,build", experimental: False}
           - {python-version: "3.8", testenvs: "py38,build", experimental: False}
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
+          - {python-version: "3.10", testenvs: "py310,build", experimental: False}
 
     steps:
       - name: Checkout 🛎️
diff --git a/pyproject.toml b/pyproject.toml
index 055969d..995ba3d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ base-classifiers = [
     "Topic :: Utilities",
     "Typing :: Typed",
 ]
-python-versions = [ "3.6", "3.7", "3.8", "3.9",]
+python-versions = [ "3.6", "3.7", "3.8", "3.9", "3.10",]
 python-implementations = [ "CPython",]
 platforms = [ "Windows", "macOS", "Linux",]
 license-key = "GPL-2.0-only"
diff --git a/repo_helper.yml b/repo_helper.yml
index 4e49a04..bf67d20 100644
--- a/repo_helper.yml
+++ b/repo_helper.yml
@@ -23,6 +23,7 @@ python_versions:
   - '3.7'
   - '3.8'
   - '3.9'
+  - '3.10'
 
 additional_ignore:
   - "tests/output/"
diff --git a/tox.ini b/tox.ini
index 1ab7452..3945f9b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,7 +21,7 @@
 #     * pytest
 
 [tox]
-envlist = py36, py37, py38, py39, mypy, build
+envlist = py36, py37, py38, py39, py310, mypy, build
 skip_missing_interpreters = True
 isolated_build = True
 requires =
@@ -31,7 +31,7 @@ requires =
     virtualenv!=20.16.0
 
 [envlists]
-test = py36, py37, py38, py39
+test = py36, py37, py38, py39, py310
 qa = mypy, lint
 cov = py38, coverage