diff --git a/.gitignore b/.gitignore
index 81034d1..ff1d379 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,7 +7,7 @@
 .LSOverride
 
 # Icon must end with two \r
-Icon

+Icon
 
 # Thumbnails
 ._*
@@ -191,5 +191,3 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
-
-
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6084104..ed8ae34 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -15,3 +15,7 @@ repos:
           - id: poetry-lock
           - id: poetry-export
             args: ["-f", "requirements.txt", "-o", "requirements.txt"]
+    - repo: https://github.com/psf/black
+      rev: 23.1.0
+      hooks:
+          - id: black
diff --git a/projectorpi_web/__init__.py b/projectorpi_web/__init__.py
index b794fd4..3dc1f76 100644
--- a/projectorpi_web/__init__.py
+++ b/projectorpi_web/__init__.py
@@ -1 +1 @@
-__version__ = '0.1.0'
+__version__ = "0.1.0"
diff --git a/projectorpi_web/app.py b/projectorpi_web/app.py
index c950163..f996cd0 100644
--- a/projectorpi_web/app.py
+++ b/projectorpi_web/app.py
@@ -16,7 +16,6 @@ class Response(BaseModel):
 
 @app.post("/sleep", response_model=Response)
 async def sleep() -> Response:
-
     extron.sleep()
     projector.power_off()
 
diff --git a/tests/test_projectorpi_web.py b/tests/test_projectorpi_web.py
index 78c5706..fe8902e 100644
--- a/tests/test_projectorpi_web.py
+++ b/tests/test_projectorpi_web.py
@@ -2,4 +2,4 @@ from projectorpi_web import __version__
 
 
 def test_version():
-    assert __version__ == '0.1.0'
+    assert __version__ == "0.1.0"