diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 46e0b9b..9a0274f 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7]
+        python-version: [3.7, 3.8]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/setup.py b/setup.py
index ca411fc..c683553 100644
--- a/setup.py
+++ b/setup.py
@@ -26,10 +26,10 @@
         download_url='https://github.com/fosslight/fosslight_source_scanner',
         classifiers=['License :: OSI Approved :: Apache Software License',
                      "Programming Language :: Python :: 3",
-                     "Programming Language :: Python :: 3.6",
                      "Programming Language :: Python :: 3.7",
                      "Programming Language :: Python :: 3.8",
                      "Programming Language :: Python :: 3.9", ],
+        python_requires=">=3.7",
         install_requires=required,
         extras_require={":python_version>'3.6'": ["scanoss>=0.7.0"],
                         ":python_version<'3.7'": ["dataclasses", "scanoss"]},