diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 8719e51..a8d4fb2 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -4,27 +4,49 @@ on:
   push:
     branches: 
       - main
+    paths:
+      - 'setup.py'
   pull_request:
     branches:
       - "main"
+    paths:
+      - 'setup.py'
 
 jobs:
-  publish:
+  check-version-changed:
     runs-on: ubuntu-latest
+    outputs:
+      version_changed: ${{ steps.version-change.outputs.version_changed }}
     steps:
     - name: Check out code
       uses: actions/checkout@v4
+    - name: Check if version changed
+      id: version-change
+      run: |
+        VERSION_CHANGE=$(git diff HEAD^ HEAD -- setup.py | grep -e "^+.*version.*=" -e "^-.*version.*=" | wc -l)
+        if [ "$VERSION_CHANGE" -eq 0 ]; then
+          echo "Version not changed"
+          echo "::set-output name=version_changed::false"
+        else
+          echo "Version changed"
+          echo "::set-output name=version_changed::true"
+        fi
 
+  publish:
+    needs: check-version-changed
+    if: needs.check-version-changed.outputs.version_changed == 'true'
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out code
+      uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
         python-version: '3.10'
-
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install setuptools wheel twine
-
     - name: Build and publish
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index efcf32b..047cbf9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,34 +4,55 @@ on:
   push:
     branches: 
       - main
+    paths:
+      - 'setup.py'
   pull_request:
     branches:
       - "main"
+    paths:
+      - 'setup.py'
 
 jobs:
-  release:
+  check-version-changed:
     runs-on: ubuntu-latest
+    outputs:
+      version_changed: ${{ steps.version-change.outputs.version_changed }}
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v4
+    - name: Check if version changed
+      id: version-change
+      run: |
+        VERSION_CHANGE=$(git diff HEAD^ HEAD -- setup.py | grep -e "^+.*version.*=" -e "^-.*version.*=" | wc -l)
+        if [ "$VERSION_CHANGE" -eq 0 ]; then
+          echo "Version not changed"
+          echo "::set-output name=version_changed::false"
+        else
+          echo "Version changed"
+          echo "::set-output name=version_changed::true"
+        fi
 
+  release:
+    needs: check-version-changed
+    if: needs.check-version-changed.outputs.version_changed == 'true'
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v4
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
         python-version: '3.10'
-
     - name: Extract Version from setup.py
       id: get_version
       run: |
         echo "::set-output name=VERSION::$(python setup.py --version)"
-
     - name: Create and Push Tag
       run: |
         git config --local user.email "action@github.com"
         git config --local user.name "GitHub Action"
         git tag v${{ steps.get_version.outputs.VERSION }}
         git push origin v${{ steps.get_version.outputs.VERSION }}
-
     - name: Create GitHub Release
       uses: softprops/action-gh-release@v1
       with:
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
new file mode 100644
index 0000000..888e52e
--- /dev/null
+++ b/.github/workflows/unittest.yml
@@ -0,0 +1,30 @@
+name: Run Unit Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - "main"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v4
+
+    - name: Setup Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+
+    - name: Install Dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+
+    - name: Run Unit Tests
+      run: |
+        python -m unittest discover tests