diff --git a/pyproject.toml b/pyproject.toml
index 637f4e4..91d488b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "ultimate-python-upgrader"
-version = "1.3.0"
+version = "1.4.0"
 authors = [
     { name="Sanyam Sanjay Sharma", email="infta2020+pypi@gmail.com" },
 ]
@@ -37,6 +37,10 @@ test = [
     "pytest>=8.0.0",
     "pytest-cov>=4.0.0"
 ]
+dev = [
+    "black>=24.4.0",
+    "ruff>=0.4.0"
+]
 
 [tool.hatch.build.targets.wheel]
 packages = ["upgrade_tool"]
\ No newline at end of file
diff --git a/tests/test_main.py b/tests/test_main.py
index ba48721..dd8658e 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -120,4 +120,4 @@ def test_upgrade_failure_with_no_rollback_enabled(mock_run):
     assert status == UpgradeStatus.UPGRADE_FAILED
     assert "Upgrade failed!" in error
     # With no_rollback=True, only one call to subprocess.run should be made
-    mock_run.assert_called_once()
+    mock_run.assert_called_once()
\ No newline at end of file
diff --git a/upgrade_tool/main.py b/upgrade_tool/main.py
index 63812f0..12563e1 100644
--- a/upgrade_tool/main.py
+++ b/upgrade_tool/main.py
@@ -306,4 +306,4 @@ def upgrade(
 
 
 if __name__ == "__main__":
-    app()
+    app()
\ No newline at end of file