diff --git a/src/aeg/raf.py b/src/aeg/raf.py
index b5bcbf8..a0399d9 100644
--- a/src/aeg/raf.py
+++ b/src/aeg/raf.py
@@ -54,6 +54,7 @@ _FLAG_TRUNCATE = 0x02
 _MERKLE_HASH_MIN = 8
 _MERKLE_HASH_MAX = 64
 
+
 @runtime_checkable
 class Storage(Protocol):
     """Backing storage for RAF files. Operations must complete fully or raise OSError."""
diff --git a/tools/generate.py b/tools/generate.py
index b0400e3..6b74b7d 100755
--- a/tools/generate.py
+++ b/tools/generate.py
@@ -3,6 +3,7 @@
 
 import pathlib
 import re
+import subprocess
 import sys
 from typing import Dict, Tuple
 
@@ -375,6 +376,16 @@ def main() -> int:
         print(f"Error generating Python modules: {e}", file=sys.stderr)
         return 1
 
+    print("Step 5: Formatting generated files with ruff...", file=sys.stderr)
+    result = subprocess.run(
+        ["uv", "run", "ruff", "format", str(pyaegis_dir)],
+        capture_output=True,
+        text=True,
+    )
+    if result.returncode != 0:
+        print(f"Error formatting generated files: {result.stderr}", file=sys.stderr)
+        return 1
+
     return 0