diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 14ace75..a8f2c15 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -18,23 +18,23 @@ permissions:
 
 jobs:
   analyse-supported:
-    name: testing on supported versions
+    name: testing on versions (supported)
     continue-on-error: true  
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
-        supported-python-version: [ "3.10", "3.11", "3.12" ]
-        best_effort-python-version: [ "3.9" ]
+        os: [ "ubuntu-22.04", "macos-12", "windows-2022" ]
+        supported-python-version: [ "3.10.13", "3.11.7", "3.12.1", "3.9.18" ]
+        best_effort-python-version: [ "3.8.18" ]
         
     runs-on: ${{ matrix.os }}
         
     steps:
     - name: Checkout the repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11  # v4.1.1
         
     - name: Set up Python ${{ matrix.supported-python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c  # v5.0.0
       with:
         python-version: ${{ matrix.supported-python-version }}
         allow-prereleases: true
@@ -47,62 +47,53 @@ jobs:
         
     - name: Lint check with Ruff
       run: |
-        if [ ${{ matrix.supported-python-version }} == 3.7 ]; then
-          ruff check $(git ls-files '*.py') --target-version=py37
-        fi
-        if [ ${{ matrix.supported-python-version }} == 3.8 ]; then
-          ruff check $(git ls-files '*.py') --target-version=py38
-        fi
-        if [ ${{ matrix.supported-python-version }} == 3.9 ]; then
-          ruff check $(git ls-files '*.py') --target-version=py39
-        fi
-        if [ ${{ matrix.supported-python-version }} == 3.10 ]; then
-          ruff check $(git ls-files '*.py') --target-version=py310
-        fi
-        if [ ${{ matrix.supported-python-version }} == 3.11 ]; then
-          ruff check $(git ls-files '*.py') --target-version=py311
-        fi
-        if [ ${{ matrix.supported-python-version }} == 3.12 ]; then
-          ruff check $(git ls-files '*.py') --target-version=py312
-        fi
+        ruff check $(git ls-files '*.py')
 
     - name: Static analysis with MyPy
       run: |
-        mypy $(git ls-files '*.py') --python-version ${{ matrix.supported-python-version }}
+        mypy $(git ls-files '*.py')
 
     - name: Testing with Pytest
       run: |
         cd scripts
         pytest
 
-  analyse-best_effort:
-    name: static analysis on best effort
+  analyse-best-effort:
+    name: testing on versions (best-effort)
     continue-on-error: true  
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
-        base-python-version: [ "3.11" ]
-        best_effort-python-version: [ "3.9" ]
+        os: [ "ubuntu-22.04", "macos-12", "windows-2022" ]
+        legacy-python-version: [ "3.8.18" ]
         
     runs-on: ${{ matrix.os }}
         
     steps:
     - name: Checkout the repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11  # v4.1.1
         
-    - name: Set up Python ${{ matrix.base-python-version }}
-      uses: actions/setup-python@v4
+    - name: Set up Python ${{ matrix.legacy-python-version }}
+      uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c  # v5.0.0
       with:
-        python-version: ${{ matrix.base-python-version }}
+        python-version: ${{ matrix.legacy-python-version }}
         allow-prereleases: true
-        
+
     - name: Install dependencies
-      run: |
+      run: | # $(git ls-files '*dev-requirements.txt') # $(git ls-files '*requirements.txt')
         python -m pip install --upgrade pip
         pip install -r scripts/requirements.txt 
         pip install -r scripts/dev-requirements.txt
+        
+    - name: Lint check with Ruff
+      run: |
+        ruff check $(git ls-files '*.py')
 
     - name: Static analysis with MyPy
       run: |
-        mypy $(git ls-files '*.py') --python-version ${{ matrix.best_effort-python-version }}
+        mypy $(git ls-files '*.py')
+
+    - name: Testing with Pytest
+      run: |
+        cd scripts
+        pytest
diff --git a/scripts/README.md b/scripts/README.md
index 5f6b36e..3c3a91a 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -1,20 +1,21 @@
 # `> Image_manipulation`
 Python script that's mostly used for image manipulation
 
-| Python version | Support status    |
-| -------------- | ----------------- |
-| 3.12           | ✅ Supported      |
-| 3.11           | ✅ Supported      |
-| 3.10           | ✅ Supported      |
-| 3.9            | ✅ Supported      |
-| 3.8            | ⚙️ Best effort    |
-| =<3.7          | ❌ Not Supported  |
+| Python version | Support status                               |
+| -------------- | -------------------------------------------- |
+| 3.13           | ❌ Best effort if the dependency is ready    |
+| 3.12           | ✅ Supported                                 |
+| 3.11           | ✅ Supported                                 |
+| 3.10           | ✅ Supported                                 |
+| 3.9            | ✅ Supported                                 |
+| 3.8            | ⚙️ Best effort                               |
+| =<3.7          | ❌ Not Supported                             |
 
 ## `> Image // Contributing`
 
 Thanks for consider contributing.
 > [!IMPORTANT]  
-> This guide assume that you already installed Python 3.10 or higher and pytest.
+> This guide assume that you already installed Python 3.9 or higher and pytest.
 
 Running the script:
 1. Clone the repository: `git@github.com:validcube/validcube.git && cd scripts`
@@ -33,5 +34,5 @@ Developing the script:
 
 Here are some tip when contributing:
 * All commits must follows the [Conventional Commits 1.0.0](https://www.conventionalcommits.org/en/v1.0.0/) guidelines.
-* [Signing commits](https://docs.github.com/en/authentication/managing-commit-signature-verification/signing-commits) are highly recommended.
+* [Signing commits](https://docs.github.com/en/authentication/managing-commit-signature-verification/signing-commits) are **required**.
 * This repository follows slight variation of [Google's Python style](https://google.github.io/styleguide/pyguide.html) guide **but not strictly enforced**.