diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index c09ea59c..cad8a834 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -60,10 +60,10 @@ jobs:
     - uses: actions/checkout@v3
       with:
         ref: main
-    - name: Set up Python 3.8
+    - name: Set up Python3
       uses: actions/setup-python@v4
       with:
-        python-version: '3.8'
+        python-version: '3.11'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -93,10 +93,10 @@ jobs:
     - uses: actions/checkout@v3
       with:
         ref: main
-    - name: Set up Python 3.8
+    - name: Set up Python3
       uses: actions/setup-python@v4
       with:
-        python-version: '3.8'
+        python-version: '3.11'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 9e64d440..51ab41e0 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version: ['3.10', '3.11', '3.12']
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
@@ -36,7 +36,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version: ['3.10', '3.11', '3.12']
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
@@ -54,7 +54,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version: ['3.10', '3.11', '3.12']
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 49006f4a..d8dae782 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
-flake8==3.9.2
-pyinstaller>=6.10.0
-tox>=4.18.1
+flake8
+pyinstaller
+tox
 pytest
 pytest-cov
 pytest-flake8
diff --git a/setup.py b/setup.py
index 28273caf..10b069af 100644
--- a/setup.py
+++ b/setup.py
@@ -47,10 +47,10 @@
         download_url='https://github.com/fosslight/fosslight_dependency_scanner',
         classifiers=['License :: OSI Approved :: Apache Software License',
                      "Programming Language :: Python :: 3",
-                     "Programming Language :: Python :: 3.8",
-                     "Programming Language :: Python :: 3.9",
                      "Programming Language :: Python :: 3.10",
-                     "Programming Language :: Python :: 3.11", ],
+                     "Programming Language :: Python :: 3.11",
+                     "Programming Language :: Python :: 3.12", ],
+        python_requires='>=3.10,<3.13',
         install_requires=required,
         package_data={_PACKAEG_NAME: [os.path.join(_LICENSE_DIR, '*')]},
         include_package_data=True,