diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 2d7fbcc..95c7e61 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -21,38 +21,15 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.8'
-
-    # Cache pip dependencies to speed up the build
-    - name: Cache pip
-      uses: actions/cache@v3
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-pip-
+        python-version: '3.10'
 
     # Install dependencies
     - name: Install dependencies
       run: |
         pip install -r requirements.txt
-    
-    # Run linting with flake8 to ensure code quality
-    - name: Lint code
-      run: |
-        pip install flake8
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
 
     # Run unit tests using pytest
     - name: Run tests
       run: |
         pip install pytest pandas
         pytest tests --maxfail=1 --disable-warnings
-
-    # Optionally, upload test results
-    - name: Upload test results (optional)
-      if: always()
-      uses: actions/upload-artifact@v3
-      with:
-        name: test-results
-        path: test-results.xml
diff --git a/Dockerfile b/Dockerfile
index 8edec1e..201d6fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Use official Python image
-FROM python:3.10
+FROM python:3.11
 
 # Set environment variables for Flask
 ENV PYTHONUNBUFFERED=1