diff --git a/.gitignore b/.gitignore
index c4d217d..adf9917 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@ parts/
 sdist/
 var/
 wheels/
+*.whl
 pip-wheel-metadata/
 share/python-wheels/
 *.egg-info/
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1346880..8cbd907 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -190,7 +190,7 @@ git push origin feature/my-improvement
    ```bash
    # Format with black
    black refactron tests
-   
+
    # Sort imports
    isort refactron tests
    ```
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 03552f6..b731afc 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -10,6 +10,7 @@ black>=23.0.0
 mypy>=1.0.0
 flake8>=6.0.0
 isort>=5.12.0
+pre-commit==4.0.1
 
 # Documentation
 sphinx>=7.0.0
diff --git a/setup_dev.bat b/setup_dev.bat
index 71d0f0c..9d31361 100644
--- a/setup_dev.bat
+++ b/setup_dev.bat
@@ -67,11 +67,6 @@ if exist "requirements-dev.txt" (
 REM Install pre-commit hooks
 echo.
 echo 🔧 Setting up pre-commit hooks...
-python -m pip install pre-commit --quiet
-if errorlevel 1 (
-    echo ❌ Error: Failed to install pre-commit
-    exit /b 1
-)
 pre-commit install
 if errorlevel 1 (
     echo ❌ Error: Failed to install pre-commit hooks
@@ -125,4 +120,3 @@ echo    venv\Scripts\activate
 echo.
 echo Happy coding! 🚀
 pause
-
diff --git a/setup_dev.sh b/setup_dev.sh
index 41f560e..5e4166b 100755
--- a/setup_dev.sh
+++ b/setup_dev.sh
@@ -54,33 +54,33 @@ pip install -e ".[dev]" --quiet
 #   - Core development tools (pytest, black, mypy, flake8, isort, etc.) are installed
 #     via the [dev] extra in pyproject.toml (see the pip install -e ".[dev]" above).
 #   - To avoid redundant installations and version conflicts, we only use
-#     requirements-dev.txt for *extra* tools such as documentation dependencies.
+#     requirements-dev.txt for *extra* tools such as documentation dependencies and pre-commit.
 if [ -f "requirements-dev.txt" ]; then
     echo "📥 Installing additional documentation/development dependencies from requirements-dev.txt..."
 
-    # Extract Sphinx-related requirements (e.g., sphinx, sphinx-rtd-theme) from
-    # requirements-dev.txt and install only those. This avoids re-installing tools
-    # that are already provided by the [dev] extra.
-    DOC_REQUIREMENTS=$(grep -E '^[[:space:]]*sphinx' requirements-dev.txt || true)
+    # Extract Sphinx-related and pre-commit requirements from requirements-dev.txt.
+    # This avoids re-installing tools that are already provided by the [dev] extra.
+    EXTRA_REQUIREMENTS=$(grep -E '^[[:space:]]*(sphinx|pre-commit)' requirements-dev.txt || true)
 
-    if [ -n "$DOC_REQUIREMENTS" ]; then
-        echo "$DOC_REQUIREMENTS" | xargs -n1 pip install --quiet
+    if [ -n "$EXTRA_REQUIREMENTS" ]; then
+        echo "$EXTRA_REQUIREMENTS" | xargs -n1 pip install --quiet
     else
-        echo "ℹ️  No additional documentation dependencies detected in requirements-dev.txt; skipping."
+        echo "ℹ️  No additional documentation or pre-commit dependencies detected in requirements-dev.txt; skipping."
     fi
 fi
 
 # Install pre-commit hooks
 echo ""
 echo "🔧 Setting up pre-commit hooks..."
-if command -v pre-commit &> /dev/null || pip show pre-commit &> /dev/null; then
+if command -v pre-commit &> /dev/null; then
     pre-commit install
     echo "✅ Pre-commit hooks installed"
 else
-    echo "⚠️  pre-commit not found. Installing..."
-    pip install pre-commit --quiet
-    pre-commit install
-    echo "✅ Pre-commit hooks installed"
+    echo "❌ Error: pre-commit is not installed in this environment."
+    echo "This should have been installed from requirements-dev.txt."
+    echo "Please ensure pre-commit is listed in requirements-dev.txt or install it manually:"
+    echo "  pip install pre-commit"
+    exit 1
 fi
 
 # Verify installation
@@ -132,4 +132,3 @@ echo "💡 To activate the environment in the future, run:"
 echo "   source venv/bin/activate"
 echo ""
 echo "Happy coding! 🚀"
-