diff --git a/.github/workflows/publishing.yml b/.github/workflows/publishing.yml
index 7dd72536..24d39b46 100644
--- a/.github/workflows/publishing.yml
+++ b/.github/workflows/publishing.yml
@@ -9,20 +9,20 @@ jobs:
 
   tests:
     name: Run tests
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - run: pip install tox
       - run: tox
         env:
-          TOXENV: 3.9
+          TOXENV: "3.10"
 
   linters:
     name: Run linters
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         toxenv: [flake8, pydocstyle, mypy, pylint]
@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - run: pip install tox
       - run: tox
         env:
@@ -39,12 +39,12 @@ jobs:
   build-sdist:
     name: Build source tarball
     needs: [tests, linters]
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - run: python setup.py sdist
       - uses: actions/upload-artifact@v2
         with:
@@ -56,15 +56,15 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-18.04, windows-latest, macos-latest]
+        os: [ubuntu-20.04, windows-2019, macOS-10.15]
     env:
       CIBW_SKIP: cp27-win*
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
-      - run: pip install cibuildwheel==1.8.0
+          python-version: "3.10"
+      - run: pip install cibuildwheel==2.1.3
       - run: cibuildwheel --output-dir wheelhouse
       - uses: actions/upload-artifact@v2
         with:
@@ -73,15 +73,15 @@ jobs:
   build-wheels-linux-aarch64:
     name: Build wheels (ubuntu-latest-aarch64)
     needs: [tests, linters]
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
-      - run: pip install cibuildwheel==1.8.0
+          python-version: "3.10"
+      - run: pip install cibuildwheel==2.1.3
       - run: cibuildwheel --archs aarch64 --output-dir wheelhouse
       - uses: actions/upload-artifact@v2
         with:
@@ -90,7 +90,7 @@ jobs:
   publish:
     name: Publish on PyPI
     needs: [build-sdist, build-wheels, build-wheels-linux-aarch64]
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/download-artifact@v2
         with:
@@ -100,6 +100,9 @@ jobs:
         with:
           user: __token__
           password: ${{ secrets.PYPI_API_TOKEN }}
+          # For publishing to Test PyPI, uncomment next two lines:
+          # password: ${{ secrets.TEST_PYPI_API_TOKEN }}
+          # repository_url: https://test.pypi.org/legacy/
 
   publish-docs:
     name: Publish docs
@@ -109,7 +112,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - run: pip install -r requirements-doc.txt
       - run: pip install awscli
       - run: pip install -e .
diff --git a/.github/workflows/tests-and-linters.yml b/.github/workflows/tests-and-linters.yml
index 635b968a..213fb543 100644
--- a/.github/workflows/tests-and-linters.yml
+++ b/.github/workflows/tests-and-linters.yml
@@ -6,10 +6,10 @@ jobs:
 
   test-on-different-versions:
     name: Run tests
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, pypy2, pypy3]
+        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, "3.10", pypy2, pypy3]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - run: pip install tox cython
       - run: make cythonize
       - run: tox
@@ -48,7 +48,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
       - run: pip install tox
       - run: tox
         env:
diff --git a/docs/main/changelog.rst b/docs/main/changelog.rst
index 6005b270..0cb46a90 100644
--- a/docs/main/changelog.rst
+++ b/docs/main/changelog.rst
@@ -9,6 +9,7 @@ follows `Semantic versioning`_
 
 Develop
 -------
+- Add support of Python 3.10.
 - Improve wiring with adding importing modules and packages from a string
   ``container.wire(modules=["yourapp.module1"])``.
 - Add container wiring configuration ``wiring_config = containers.WiringConfiguration()``.
diff --git a/setup.py b/setup.py
index 6cdedd2b..6fb33ed3 100644
--- a/setup.py
+++ b/setup.py
@@ -101,6 +101,7 @@ setup(name="dependency-injector",
           "Programming Language :: Python :: 3.7",
           "Programming Language :: Python :: 3.8",
           "Programming Language :: Python :: 3.9",
+          "Programming Language :: Python :: 3.10",
           "Programming Language :: Python :: Implementation :: CPython",
           "Programming Language :: Python :: Implementation :: PyPy",
           "Framework :: AsyncIO",
diff --git a/tests/.configs/pytest-py27.ini b/tests/.configs/pytest-py27.ini
index 14d76ae7..300291b1 100644
--- a/tests/.configs/pytest-py27.ini
+++ b/tests/.configs/pytest-py27.ini
@@ -1,6 +1,7 @@
 [pytest]
-testpaths = tests/unit
+testpaths = tests/unit/
 python_files = test_*_py2_py3.py
 filterwarnings =
     ignore:Module \"dependency_injector.ext.aiohttp\" is deprecated since version 4\.0\.0:DeprecationWarning
     ignore:Module \"dependency_injector.ext.flask\" is deprecated since version 4\.0\.0:DeprecationWarning
+    ignore:ssl\.PROTOCOL_TLS is deprecated:DeprecationWarning:botocore.*
diff --git a/tests/.configs/pytest-py35.ini b/tests/.configs/pytest-py35.ini
index 81330704..4cb03f29 100644
--- a/tests/.configs/pytest-py35.ini
+++ b/tests/.configs/pytest-py35.ini
@@ -1,6 +1,7 @@
 [pytest]
-testpaths = tests/unit
+testpaths = tests/unit/
 python_files = test_*_py3.py
 filterwarnings =
     ignore:Module \"dependency_injector.ext.aiohttp\" is deprecated since version 4\.0\.0:DeprecationWarning
     ignore:Module \"dependency_injector.ext.flask\" is deprecated since version 4\.0\.0:DeprecationWarning
+    ignore:ssl\.PROTOCOL_TLS is deprecated:DeprecationWarning:botocore.*
diff --git a/tests/.configs/pytest.ini b/tests/.configs/pytest.ini
index 53643540..ebdb3d40 100644
--- a/tests/.configs/pytest.ini
+++ b/tests/.configs/pytest.ini
@@ -4,3 +4,4 @@ python_files = test_*_py3*.py
 filterwarnings =
     ignore:Module \"dependency_injector.ext.aiohttp\" is deprecated since version 4\.0\.0:DeprecationWarning
     ignore:Module \"dependency_injector.ext.flask\" is deprecated since version 4\.0\.0:DeprecationWarning
+    ignore:ssl\.PROTOCOL_TLS is deprecated:DeprecationWarning:botocore.*
diff --git a/tox.ini b/tox.ini
index e1b2fcdb..726e77bc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist=
-    coveralls, pylint, flake8, pydocstyle, 2.7, 3.5, 3.6, 3.7, 3.8, 3.9, pypy2, pypy3
+    coveralls, pylint, flake8, pydocstyle, 2.7, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, pypy2, pypy3
 
 [testenv]
 deps=
@@ -24,7 +24,7 @@ python_files = test_*_py3*.py
 
 [testenv:coveralls]
 passenv = GITHUB_* COVERALLS_*
-basepython=python3.9
+basepython=python3.10
 usedevelop=True
 deps=
     {[testenv]deps}