diff --git a/script/gen_requirements_all.py b/script/gen_requirements_all.py
index 101a57e419d..81fea80efad 100755
--- a/script/gen_requirements_all.py
+++ b/script/gen_requirements_all.py
@@ -4,6 +4,7 @@ from __future__ import annotations
 
 import difflib
 import importlib
+from operator import itemgetter
 import os
 from pathlib import Path
 import pkgutil
@@ -333,7 +334,7 @@ def process_requirements(
 def generate_requirements_list(reqs: dict[str, list[str]]) -> str:
     """Generate a pip file based on requirements."""
     output = []
-    for pkg, requirements in sorted(reqs.items(), key=lambda item: item[0]):
+    for pkg, requirements in sorted(reqs.items(), key=itemgetter(0)):
         for req in sorted(requirements):
             output.append(f"\n# {req}")