diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index a8f8c80c..5b32252e 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9']
+        python-version: ['3.8', '3.9', '3.10']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index d110944e..99babbb9 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -18,7 +18,7 @@ Create virtualenv with python3.5 (older version are not supported). For example
 using *virtualenvwrapper* commands could look like::
 
    $ cd pytorch-optimizer
-   $ mkvirtualenv --python=`which python3.7` pytorch-optimizer
+   $ mkvirtualenv --python=`which python3.8` pytorch-optimizer
 
 
 After that please install libraries required for development::
diff --git a/setup.py b/setup.py
index a162df47..9325290c 100644
--- a/setup.py
+++ b/setup.py
@@ -34,9 +34,9 @@ def _read_version():
     "Intended Audience :: Developers",
     "Intended Audience :: Science/Research",
     "Programming Language :: Python :: 3",
-    "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",
     "Operating System :: OS Independent",
     "Development Status :: 3 - Alpha",
     "Topic :: Scientific/Engineering :: Artificial Intelligence",