diff --git a/scripts/generate_charmap_table.py b/scripts/generate_charmap_table.py
index 8154b5b8..c4137e8a 100755
--- a/scripts/generate_charmap_table.py
+++ b/scripts/generate_charmap_table.py
@@ -14,8 +14,8 @@
 import tcod.tileset
 
 
-def get_charmaps() -> Iterator[str]:
-    """Return an iterator of the current character maps from tcod.tilest."""
+def get_character_maps() -> Iterator[str]:
+    """Return an iterator of the current character maps from tcod.tileset."""
     for name in dir(tcod.tileset):
         if name.startswith("CHARMAP_"):
             yield name[len("CHARMAP_") :].lower()
@@ -60,7 +60,7 @@ def main() -> None:
     parser.add_argument(
         "charmap",
         action="store",
-        choices=list(get_charmaps()),
+        choices=list(get_character_maps()),
         type=str,
         help="which character map to generate a table from",
     )
diff --git a/scripts/tag_release.py b/scripts/tag_release.py
index 2d528306..7b946513 100755
--- a/scripts/tag_release.py
+++ b/scripts/tag_release.py
@@ -34,11 +34,9 @@ def parse_changelog(args: argparse.Namespace) -> tuple[str, str]:
     )
     assert match
     header, changes, tail = match.groups()
-    tagged = "\n## [{}] - {}\n{}".format(
-        args.tag,
-        datetime.date.today().isoformat(),  # Local timezone is fine, probably.  # noqa: DTZ011
-        changes,
-    )
+
+    iso_date = datetime.datetime.now(tz=datetime.timezone.utc).date().isoformat()
+    tagged = f"\n## [{args.tag}] - {iso_date}\n{changes}"
     if args.verbose:
         print("--- Tagged section:")
         print(tagged)
diff --git a/setup.py b/setup.py
index 4027fbae..6e17d0f8 100755
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@ def check_sdl_version() -> None:
         return
     needed_version = "{}.{}.{}".format(*SDL_VERSION_NEEDED)
     try:
-        sdl_version_str = subprocess.check_output(["sdl2-config", "--version"], universal_newlines=True).strip()
+        sdl_version_str = subprocess.check_output(["sdl2-config", "--version"], universal_newlines=True).strip()  # noqa: S603, S607
     except FileNotFoundError as exc:
         msg = (
             f"libsdl2-dev or equivalent must be installed on your system and must be at least version {needed_version}."