diff --git a/.github/workflows/py-unittest.yml b/.github/workflows/py-unittest.yml
index e7ec1314..306b32e7 100644
--- a/.github/workflows/py-unittest.yml
+++ b/.github/workflows/py-unittest.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@0080882f6c36860b6ba35c610c98ce87d4e2f26f # v2.10.2
@@ -37,8 +37,8 @@ jobs:
       - name: Run unittest
         run: pytest ./tests
       - name: Install Jax
-        if:  ${{ matrix.os != 'windows-latest' && matrix.python-version != '3.9' }}
+        if:  ${{ matrix.os != 'windows-latest' && matrix.python-version != '3.10' }}
         run: pip install ".[jaxcpu]"
       - name: Run unittest with Jax
-        if:  ${{ matrix.os != 'windows-latest' && matrix.python-version != '3.9' }}
+        if:  ${{ matrix.os != 'windows-latest' && matrix.python-version != '3.10' }}
         run: pytest ./scripts/tests
diff --git a/.github/workflows/style-check.yml b/.github/workflows/style-check.yml
index ab44f75d..51f2c52e 100644
--- a/.github/workflows/style-check.yml
+++ b/.github/workflows/style-check.yml
@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
         with:
-          python-version: '3.10'
+          python-version: '3.12'
       - name: Install dependencies
         run: |
           pip install --upgrade pip
diff --git a/setup.cfg b/setup.cfg
index dc2fae8f..f926a3e5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -11,14 +11,13 @@ classifiers =
     Development Status :: 3 - Alpha
     Operating System :: OS Independent
     License :: OSI Approved :: Apache Software License
-    Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
     Programming Language :: Python :: 3.13
 
 [options]
-python_requires= >= 3.9
+python_requires= >= 3.10
 packages = find:
 include_package_data = True
 test_suite = tests
@@ -40,7 +39,7 @@ dev =
     yapf
 
 jaxcpu =
-    jax==0.5.2
+    jax==0.8.0
 
 [options.entry_points]
 console_scripts =