diff --git a/.flake8 b/.flake8
deleted file mode 100644
index 3760cdb72..000000000
--- a/.flake8
+++ /dev/null
@@ -1,5 +0,0 @@
-[flake8]
-exclude = .git,.history,.github,config,docs,lib,scripts,src,test
-ignore = E401,E203,W503,C901,E501,E722,E302,E303,E306,E741,F841,W605,E721
-
-max-complexity=10
diff --git a/.github/workflows/ci-build_test.yaml b/.github/workflows/ci-build_test.yaml
index 05a827591..f896b60c0 100644
--- a/.github/workflows/ci-build_test.yaml
+++ b/.github/workflows/ci-build_test.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: dorny/paths-filter@v2
         id: changes
diff --git a/.github/workflows/ci-builder.yaml b/.github/workflows/ci-builder.yaml
index 14b8f2d4d..edc51cbd9 100644
--- a/.github/workflows/ci-builder.yaml
+++ b/.github/workflows/ci-builder.yaml
@@ -11,7 +11,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Login to Docker Hub
         uses: docker/login-action@v2
diff --git a/.github/workflows/ci-static_analysis.yaml b/.github/workflows/ci-static_analysis.yaml
index 9aacedd66..d3c8d9bec 100644
--- a/.github/workflows/ci-static_analysis.yaml
+++ b/.github/workflows/ci-static_analysis.yaml
@@ -1,31 +1,11 @@
 # Perform continuous integration tests on pull requests
-name: black
+name: Ruff
 
 on: pull_request
 
 jobs:
-  black:
+  ruff:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
-      - name: Setup python
-
-        uses: actions/setup-python@v4
-        with:
-          python-version: 3.11
-          cache-dependency-path: scripts/requirements_dev.txt
-          cache: "pip"
-
-      - name: Pip install
-        run: pip install -r scripts/requirements_dev.txt
-
-      - name: Black
-        run: |
-          echo "running black..."
-          black --version
-          black klippy --check
-
-      - name: Flake8
-        run: |
-          echo "running flake8..."
-          flake8 --config .flake8
+      - uses: actions/checkout@v4
+      - uses: chartboost/ruff-action@v1
diff --git a/.github/workflows/klipper3d-deploy.yaml b/.github/workflows/klipper3d-deploy.yaml
index 55a92298a..4754cffb8 100644
--- a/.github/workflows/klipper3d-deploy.yaml
+++ b/.github/workflows/klipper3d-deploy.yaml
@@ -12,12 +12,12 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          python-version: "3.10"
 
       - uses: actions/cache@v3
         with:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1587d433c..c90a45852 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,4 +1,4 @@
-exclude: '^docs/|config/|lib/'
+exclude: "^docs/|config/|lib/"
 default_stages: [commit]
 
 repos:
@@ -17,17 +17,9 @@ repos:
       - id: end-of-file-fixer
       - id: check-builtin-literals
 
-  - repo: https://github.com/psf/black
-    rev: 22.6.0
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.4.5
     hooks:
-      - id: black
-
-  - repo: https://github.com/PyCQA/flake8
-    rev: 5.0.4
-    hooks:
-      - id: flake8
-
-  - repo: https://github.com/pre-commit/mirrors-autopep8
-    rev: v1.7.0
-    hooks:
-    - id: autopep8
+      - id: ruff
+        args: [--fix]
+      - id: ruff-format
diff --git a/pyproject.toml b/pyproject.toml
index 495e09251..399758a68 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,13 +1,23 @@
-[tool.black]
+[tool.ruff]
 line-length = 80
-include = '\.pyi?$'
-exclude = '''
-(
-      \.github/
-    | \.history/
-    | config/
-    | docs/
-    | lib/
-    | src/
-)
-'''
+indent-width = 4
+exclude = [
+  ".github",
+  ".history",
+  "config",
+  "docs",
+  "lib",
+  "src"
+]
+
+[tool.ruff.lint]
+ignore = [
+  "E401", # Multiple imports on one line
+  "C901", # Function is too complex
+  "E501", # Line too long (82 > 79 characters)
+  "E302", # Expected 2 blank lines, found 0
+  "E722", # Do not use bare except, specify exception instead
+  "E741", # Do not use variables named 'I', 'O', or 'l'
+  "F841", # Local variable name is assigned to but never used
+  "E721", # Do not compare types, use 'isinstance()'
+]
diff --git a/scripts/python-format.sh b/scripts/python-format.sh
index da3aa7855..91c424b89 100755
--- a/scripts/python-format.sh
+++ b/scripts/python-format.sh
@@ -25,10 +25,7 @@ fi
 
 set +e # Formatters are allowed to fail
 
-black $BLACK_ARGS "${PYFILES[@]}"
-autoflake --in-place "${PYFILES[@]}"
-autopep8 --in-place -a -a "${PYFILES[@]}"
-black $BLACK_ARGS "${PYFILES[@]}"
+ruff check --fix "${PYFILES[@]}"
 
 if [ "$AMEND" ]; then
     git add -u "${PYFILES[@]}"
diff --git a/scripts/requirements_dev.txt b/scripts/requirements_dev.txt
index d2aebf84b..06d82985f 100644
--- a/scripts/requirements_dev.txt
+++ b/scripts/requirements_dev.txt
@@ -1,6 +1,3 @@
 # This file describes the Python virtualenv package requirements for
 # klipper CI checks and local development.
-black==22.6.0
-flake8==5.0.4
-autopep8==1.7.0
-autoflake==1.4
+ ruff==0.4.5