diff --git a/.github/workflows/python-package.yaml b/.github/workflows/python-package.yaml
index 5f68eb9..2f125a9 100644
--- a/.github/workflows/python-package.yaml
+++ b/.github/workflows/python-package.yaml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: [2.7, 3.6, 3.7, 3.8, 3.9, 3.10]
+        python: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/tox.ini b/tox.ini
index 114e22f..3ac6c44 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist=py27,py36,py37,py38,py39,pypy
+envlist=py27,py35,py36,py37,py38,py39,py310,pypy
 skipsdist=true
 
 [testenv]