diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 61754e5b8..309231b30 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,11 +23,22 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: "Install Rust toolchain"
+
+      - name: "Install Rustfmt"
         run: rustup component add rustfmt
+
       - name: "rustfmt"
         run: cargo fmt --all --check
 
+      - name: "Prettier"
+        run: npx prettier --check "**/*.{yaml,yml}"
+
+      - name: "Ruff format"
+        run: pipx run ruff format --diff .
+
+      - name: "Ruff check"
+        run: pipx run ruff check .
+
   cargo-clippy:
     name: "cargo clippy"
     strategy:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a6714a287..eb2a6bc92 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -36,4 +36,4 @@ repos:
     hooks:
       - id: ruff-format
       - id: ruff
-        args: [--fix, --exit-non-zero-on-fix]
\ No newline at end of file
+        args: [--fix, --exit-non-zero-on-fix]
diff --git a/crates/pep440-rs/test/test_python.py b/crates/pep440-rs/test/test_python.py
index 0b031cdb5..ed43bc8d2 100644
--- a/crates/pep440-rs/test/test_python.py
+++ b/crates/pep440-rs/test/test_python.py
@@ -1,6 +1,7 @@
 """
 This is implementation has some very rudimentary python bindings
 """
+
 from pep440_rs import Version, VersionSpecifier, Operator, VersionSpecifiers
 
 
diff --git a/python/uv/__main__.py b/python/uv/__main__.py
index 5337ed63c..1524c19fe 100644
--- a/python/uv/__main__.py
+++ b/python/uv/__main__.py
@@ -22,6 +22,7 @@ def _detect_virtualenv() -> str:
 
     return ""
 
+
 def _run() -> None:
     uv = os.fsdecode(find_uv_bin())
 
@@ -39,6 +40,5 @@ def _run() -> None:
         os.execvpe(uv, [uv, *sys.argv[1:]], env=env)
 
 
-
 if __name__ == "__main__":
     _run()
diff --git a/scripts/bench/__main__.py b/scripts/bench/__main__.py
index 87b244cff..a08c1ff31 100644
--- a/scripts/bench/__main__.py
+++ b/scripts/bench/__main__.py
@@ -25,6 +25,7 @@ each build, as in:
         --uv-path ./target/release/baseline \
         requirements.in
 """
+
 import abc
 import argparse
 import enum
@@ -271,11 +272,9 @@ class PipCompile(Suite):
             ],
         )
 
-    def install_cold(self, requirements_file: str, *, cwd: str) -> Command | None:
-        ...
+    def install_cold(self, requirements_file: str, *, cwd: str) -> Command | None: ...
 
-    def install_warm(self, requirements_file: str, *, cwd: str) -> Command | None:
-        ...
+    def install_warm(self, requirements_file: str, *, cwd: str) -> Command | None: ...
 
 
 class PipSync(Suite):
@@ -283,16 +282,13 @@ class PipSync(Suite):
         self.name = path or "pip-sync"
         self.path = path or "pip-sync"
 
-    def resolve_cold(self, requirements_file: str, *, cwd: str) -> Command | None:
-        ...
+    def resolve_cold(self, requirements_file: str, *, cwd: str) -> Command | None: ...
 
-    def resolve_warm(self, requirements_file: str, *, cwd: str) -> Command | None:
-        ...
+    def resolve_warm(self, requirements_file: str, *, cwd: str) -> Command | None: ...
 
     def resolve_incremental(
         self, requirements_file: str, *, cwd: str
-    ) -> Command | None:
-        ...
+    ) -> Command | None: ...
 
     def install_cold(self, requirements_file: str, *, cwd: str) -> Command | None:
         cache_dir = os.path.join(cwd, ".cache")
diff --git a/scripts/bootstrap/fetch-version-metadata.py b/scripts/bootstrap/fetch-version-metadata.py
index e946fee07..d3d5e4b25 100755
--- a/scripts/bootstrap/fetch-version-metadata.py
+++ b/scripts/bootstrap/fetch-version-metadata.py
@@ -17,6 +17,7 @@ Acknowledgements:
     Derived from https://github.com/mitsuhiko/rye/tree/f9822267a7f00332d15be8551f89a212e7bc9017
     Originally authored by Armin Ronacher under the MIT license
 """
+
 import argparse
 import hashlib
 import json
diff --git a/scripts/scenarios/generate.py b/scripts/scenarios/generate.py
index 529552d2d..8574a5fc5 100755
--- a/scripts/scenarios/generate.py
+++ b/scripts/scenarios/generate.py
@@ -144,9 +144,9 @@ def main(scenarios: list[Path], snapshot_update: bool = True):
             "local-used-without-sdist",
         ):
             expected["satisfiable"] = False
-            expected[
-                "explanation"
-            ] = "We do not have correct behavior for local version identifiers yet"
+            expected["explanation"] = (
+                "We do not have correct behavior for local version identifiers yet"
+            )
 
     # Split scenarios into `install` and `compile` cases
     install_scenarios = []
@@ -167,13 +167,13 @@ def main(scenarios: list[Path], snapshot_update: bool = True):
         ref = "HEAD" if packse_version == "0.0.0" else packse_version
 
         # Add generated metadata
-        data[
-            "generated_from"
-        ] = f"https://github.com/zanieb/packse/tree/{ref}/scenarios"
+        data["generated_from"] = (
+            f"https://github.com/zanieb/packse/tree/{ref}/scenarios"
+        )
         data["generated_with"] = "./scripts/scenarios/sync.sh"
-        data[
-            "vendor_links"
-        ] = f"https://raw.githubusercontent.com/zanieb/packse/{ref}/vendor/links.html"
+        data["vendor_links"] = (
+            f"https://raw.githubusercontent.com/zanieb/packse/{ref}/vendor/links.html"
+        )
 
         data["index_url"] = f"https://astral-sh.github.io/packse/{ref}/simple-html/"