diff --git a/google_takeout_parser/__main__.py b/google_takeout_parser/__main__.py
index af5eda1..75741c6 100644
--- a/google_takeout_parser/__main__.py
+++ b/google_takeout_parser/__main__.py
@@ -140,7 +140,7 @@ def parse(
     # note: actually no exceptions since since they're dropped
     if cache:
         if filter_:
-            logger.warn(
+            logger.warning(
                 "As it would otherwise re-compute every time, filtering happens after loading from cache"
             )
         res = list(tp.parse(cache=True))
@@ -173,7 +173,7 @@ def merge(
     filter_type = tuple(FILTER_OPTIONS[ff] for ff in filter_)
     if cache:
         if filter_:
-            logger.warn(
+            logger.warning(
                 "As it would otherwise re-compute every time, filtering happens after loading from cache"
             )
         res = list(cached_merge_takeouts(list(takeout_dir), locale_name=locale))
diff --git a/google_takeout_parser/parse_json.py b/google_takeout_parser/parse_json.py
index 681bfc3..6b2e25a 100644
--- a/google_takeout_parser/parse_json.py
+++ b/google_takeout_parser/parse_json.py
@@ -269,7 +269,9 @@ def _parse_chrome_history(p: Path) -> Iterator[Res[ChromeHistory]]:
         yield RuntimeError(f"Chrome/BrowserHistory: no 'Browser History' key in '{p}'")
     for item in json_data.get("Browser History", []):
         try:
-            time_naive = datetime.utcfromtimestamp(item["time_usec"] / 10**6)
+            time_naive = datetime.fromtimestamp(
+                item["time_usec"] / 10**6, tz=timezone.utc
+            )
             yield ChromeHistory(
                 title=item["title"],
                 # dont convert to https here, this is just the users history