diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ae4b0c0..01f8c5e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -27,12 +27,12 @@ jobs:
 
       matrix:
         build-opts:
-          - {python: '3.6', tox: py36}
-          - {python: '3.7', tox: py37}
-          - {python: '3.8', tox: py38}
-          - {python: '3.9', tox: py39}
-          - {python: '3.10', tox: py310}
-          - {python: '3.11', tox: py311}
+          - {python: '3.6', tox: python3.6}
+          - {python: '3.7', tox: python3.7}
+          - {python: '3.8', tox: python3.8}
+          - {python: '3.9', tox: python3.9}
+          - {python: '3.10', tox: python3.10}
+          - {python: '3.11', tox: python3.11}
           - {python: '3.6', tox: pep8}
           - {python: '3.6', tox: lint}
           - {python: '3.6', tox: mypy}
diff --git a/tox.ini b/tox.ini
index 3e61bbb..61f1fab 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion      = 2.4
-envlist         = py3, pep8, lint, mypy
+envlist         = python3, pep8, lint, mypy
 
 [pycodestyle]
 max-line-length = 100
@@ -55,7 +55,9 @@ passenv         = USERSPACE_SRC
 deps            = networkx>=2.0
                   cython>=0.29.14
                   pytest>=6.0
-                  py36: dataclasses
-                  py39: networkx>=2.6
+                  python3.6: dataclasses
+                  python3.9: networkx>=2.6
+                  python3.10: networkx>=2.6
+                  python3.11: networkx>=2.6
 commands_pre    = {envpython} setup.py build_ext -i
 commands        = pytest tests