diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5224086..d944993 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -38,3 +38,7 @@ repos:
       # - id: poetry-export
       #   args: ["-f", "requirements.txt", "--without-hashes", "-o", "requirements.txt"]
       #   verbose: true
+  - repo: https://github.com/charliermarsh/ruff-pre-commit
+    rev: 'v0.0.245'
+    hooks:
+      - id: ruff
diff --git a/gsuid_core/core.py b/gsuid_core/core.py
index 803d305..bdd3e6b 100644
--- a/gsuid_core/core.py
+++ b/gsuid_core/core.py
@@ -35,4 +35,3 @@ async def websocket_endpoint(websocket: WebSocket, bot_id: str):
 
 if __name__ == "__main__":
     uvicorn.run(app, host=HOST, port=PORT)
-    uvicorn.run(app, host=HOST, port=PORT)
diff --git a/pyproject.toml b/pyproject.toml
index 4717275..a89a13a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ black = "^22.12.0"
 isort = "^5.11.4"
 pre-commit = "^2.21.0"
 pycln = "^2.1.2"
+ruff = "^0.0.245"
 
 [build-system]
 requires = ["poetry-core"]
@@ -34,6 +35,10 @@ skip-string-normalization = true
 extend-exclude = '''
 '''
 
+[tool.ruff]
+line-length = 79
+target-version = "py310"
+
 [tool.isort]
 profile = "black"
 line_length = 79