diff --git a/sqlite_utils/cli.py b/sqlite_utils/cli.py
index 6b7ebd97..871cb606 100644
--- a/sqlite_utils/cli.py
+++ b/sqlite_utils/cli.py
@@ -1,7 +1,7 @@
 import base64
 import click
 from click_default_group import DefaultGroup  # type: ignore
-from datetime import datetime
+from datetime import datetime, timezone
 import hashlib
 import pathlib
 from runpy import run_module
@@ -3203,8 +3203,8 @@ def __init__(self, exception, path):
     "ctime": lambda p: p.stat().st_ctime,
     "mtime_int": lambda p: int(p.stat().st_mtime),
     "ctime_int": lambda p: int(p.stat().st_ctime),
-    "mtime_iso": lambda p: datetime.utcfromtimestamp(p.stat().st_mtime).isoformat(),
-    "ctime_iso": lambda p: datetime.utcfromtimestamp(p.stat().st_ctime).isoformat(),
+    "mtime_iso": lambda p: datetime.fromtimestamp(p.stat().st_mtime, timezone.utc).replace(tzinfo=None).isoformat(),
+    "ctime_iso": lambda p: datetime.fromtimestamp(p.stat().st_ctime, timezone.utc).replace(tzinfo=None).isoformat(),
     "size": lambda p: p.stat().st_size,
     "stem": lambda p: p.stem,
     "suffix": lambda p: p.suffix,
diff --git a/tests/test_recipes.py b/tests/test_recipes.py
index eca39874..ff042253 100644
--- a/tests/test_recipes.py
+++ b/tests/test_recipes.py
@@ -64,6 +64,7 @@ def test_dayfirst_yearfirst(fresh_db, recipe, kwargs, expected):
 
 @pytest.mark.parametrize("fn", ("parsedate", "parsedatetime"))
 @pytest.mark.parametrize("errors", (None, recipes.SET_NULL, recipes.IGNORE))
+@pytest.mark.filterwarnings("ignore::pytest.PytestUnraisableExceptionWarning")
 def test_dateparse_errors(fresh_db, fn, errors):
     fresh_db["example"].insert_all(
         [