diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3c9add0..beee8ce 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v2
@@ -33,4 +33,4 @@ jobs:
 
     - name: Test with pytest
       run: |
-        py.test -v --cov=amodem
+        pytest -v --cov=amodem
diff --git a/setup.py b/setup.py
index a1e3c97..8a76a8d 100644
--- a/setup.py
+++ b/setup.py
@@ -32,11 +32,11 @@ setup(
         'Intended Audience :: Information Technology',
         'License :: OSI Approved :: MIT License',
         'Operating System :: POSIX',
-        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
         'Topic :: Software Development :: Libraries :: Python Modules',
         'Topic :: System :: Networking',
         'Topic :: Communications',
diff --git a/tox.ini b/tox.ini
index c6661ad..d7f2f4e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,5 +10,5 @@ deps=
 commands=
 	pycodestyle amodem/ scripts/
 	pylint --extension-pkg-whitelist=numpy --reports=no amodem --rcfile .pylintrc
-	coverage run --source amodem/ --omit="*/__main__.py" -m py.test -v
+	coverage run --source amodem/ --omit="*/__main__.py" -m pytest -v
 	coverage report