diff --git a/.github/workflows/code_quality.yml b/.github/workflows/code_quality.yml
index 051d9d7b..34ecb443 100644
--- a/.github/workflows/code_quality.yml
+++ b/.github/workflows/code_quality.yml
@@ -10,7 +10,6 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     # runs-on: self-hosted
     strategy:
@@ -19,10 +18,12 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -30,11 +31,27 @@ jobs:
         pip install flake8
         pip install flake8-polyfill
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+
+    - name: Get all Python changed and modified files
+      id: changed-python-files
+      uses: tj-actions/changed-files@v42
+      with:
+        since_last_remote_commit: true
+        files: |
+            **.py
+
     - name: Code complexity
+      if: steps.changed-python-files.outputs.any_changed == 'true'
+      env:
+        ALL_CHANGED_PYTHON_FILES: ${{ steps.changed-python-files.outputs.all_changed_files }}
       run: |
         # Runs Radon quality check
-        radon cc python --total-average --show-complexity
+        radon cc --total-average --show-complexity ${ALL_CHANGED_PYTHON_FILES[@]/#/}
+
     - name: Code quality with flake8
+      if: steps.changed-python-files.outputs.any_changed == 'true'
+      env:
+        ALL_CHANGED_PYTHON_FILES: ${{ steps.changed-python-files.outputs.all_changed_files }}
       run: |
         # Runs code quality check
-        flake8 python --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+        flake8 --count --max-complexity=10 --max-line-length=127 --statistics ${ALL_CHANGED_PYTHON_FILES[@]/#/}