diff --git a/python/helpers/lib/parser.py b/python/helpers/lib/parser.py
index 07b8fb8631..aea4d8e4b2 100644
--- a/python/helpers/lib/parser.py
+++ b/python/helpers/lib/parser.py
@@ -13,6 +13,8 @@
 )
 
 from packaging.requirements import InvalidRequirement, Requirement
+# TODO: Replace 3p package `toml` with 3.11's new stdlib `tomllib` once we drop
+# support for Python 3.10.
 import toml
 
 # Inspired by pips internal check:
diff --git a/python/helpers/requirements.txt b/python/helpers/requirements.txt
index 7672ff5012..5885c1b4f6 100644
--- a/python/helpers/requirements.txt
+++ b/python/helpers/requirements.txt
@@ -5,6 +5,8 @@ hashin==0.17.0
 pipenv==2023.11.17
 pipfile==0.0.2
 poetry==1.7.1
+# TODO: Replace 3p package `toml` with 3.11's new stdlib `tomllib` once we drop support for Python 3.10.
+toml==0.10.2
 
 # Some dependencies will only install if Cython is present
 Cython==3.0.8
diff --git a/python/helpers/run.py b/python/helpers/run.py
index f80f8ff2ec..3b2fc11adc 100644
--- a/python/helpers/run.py
+++ b/python/helpers/run.py
@@ -6,6 +6,8 @@
 if __name__ == "__main__":
     args = json.loads(sys.stdin.read())
 
+    # TODO Python 3.10 added native switch statements, so switch this if/elif
+    # to that once we drop support for 3.9.
     if args["function"] == "parse_requirements":
         print(parser.parse_requirements(args["args"][0]))
     elif args["function"] == "parse_setup":