diff --git a/.vscode/settings.json b/.vscode/settings.json
index 021db9e5..f0f7caeb 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -17,7 +17,7 @@
     "editor.codeActionsOnSave": {
       "source.organizeImports": "explicit"
     },
-    "editor.defaultFormatter": "ms-python.autopep8"
+    "editor.defaultFormatter": "charliermarsh.ruff"
   },
   "[cpp]": {
     "editor.formatOnSave": true
diff --git a/pyproject.toml b/pyproject.toml
index 644c933d..86f30c7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,4 +29,11 @@ dev-dependencies = [
     "wheel~=0.40.0",
     "auditwheel~=5.4.0",
     "pytest~=7.3.2",
+    "ruff>=0.1.14",
 ]
+
+[tool.ruff]
+line-length = 100
+indent-width = 4
+
+exclude = [".venv", "run.py", "pypath.py", "setup.py"]
\ No newline at end of file
diff --git a/requirements-dev.lock b/requirements-dev.lock
index e76205f4..c38a48ce 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -5,6 +5,7 @@
 #   pre: false
 #   features: []
 #   all-features: false
+#   with-sources: false
 
 -e file:.
 auditwheel==5.4.0
@@ -17,6 +18,7 @@ pluggy==1.3.0
 pyelftools==0.30
 pyproject-hooks==1.0.0
 pytest==7.3.2
+ruff==0.1.14
 tomli==2.0.1
 wheel==0.40.0
 # The following packages are considered to be unsafe in a requirements file:
diff --git a/requirements.lock b/requirements.lock
index aa6be96b..8f230963 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -5,5 +5,6 @@
 #   pre: false
 #   features: []
 #   all-features: false
+#   with-sources: false
 
 -e file:.
diff --git a/tests/test_recvonly.py b/tests/test_recvonly.py
index 7ad35a61..3eb57ccc 100644
--- a/tests/test_recvonly.py
+++ b/tests/test_recvonly.py
@@ -5,7 +5,7 @@
 
 
 def on_disconnect(error_code, message: str):
-    print(f'on_disconnect: error_code: {error_code}, message: {message}')
+    print(f"on_disconnect: error_code: {error_code}, message: {message}")
 
 
 def test_sendonly():
@@ -15,7 +15,7 @@ def test_sendonly():
         signaling_urls=[os.environ.get("TEST_SIGNALING_URL")],
         role="recvonly",
         channel_id=os.environ.get("TEST_CHANNEL_ID_PREFIX") + "sora-python-sdk-test",
-        metadata={"access_token": os.environ.get("TEST_SECRET_KEY")}
+        metadata={"access_token": os.environ.get("TEST_SECRET_KEY")},
     )
 
     conn.on_disconnect = on_disconnect