diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe01248..12a6209 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 The changelog lists relevant feature changes between each release. Search GitHub issues and pull requests for smaller issues.
 
+## [Unrelease]
+- add support for GBFSv3
+- for yoio, fix timestamp isoformat (truncate microseconds and set UTC timezone)
+- chore(deps): bump dependencies
+
 ## 2025-08-20
 - add converter for `share_birrer_ch` feed: correct form_factor and propulsion_type
 
diff --git a/app/converters/donkey_free_bike_status_fix.py b/app/converters/donkey_free_bike_status_fix.py
index 6be4fb9..2613fbc 100644
--- a/app/converters/donkey_free_bike_status_fix.py
+++ b/app/converters/donkey_free_bike_status_fix.py
@@ -33,10 +33,10 @@ def _convert_str_to_float(bike: dict[str, Any], property: str) -> None:
             bike[property] = float(value)
 
     def convert(self, data: dict | list, path: str) -> dict | list:
-        if not isinstance(data, dict) or not path.endswith('/free_bike_status.json'):
+        if not isinstance(data, dict) or not path.endswith(('/free_bike_status.json', '/vehicle_status.json')):
             return data
 
-        for bike in data['data'].get('bikes', []):
+        for bike in data['data'].get('bikes', data['data'].get('vehicles', [])):
             last_reported = bike.get('last_reported')
             if isinstance(last_reported, str):
                 try:
diff --git a/app/converters/gbfs_bird_remove_stations_or_vehicles.py b/app/converters/gbfs_bird_remove_stations_or_vehicles.py
index c95eb3a..85855f1 100644
--- a/app/converters/gbfs_bird_remove_stations_or_vehicles.py
+++ b/app/converters/gbfs_bird_remove_stations_or_vehicles.py
@@ -25,7 +25,7 @@ def convert(self, data: Union[dict, list], path: str) -> Union[dict, list]:
                     continue
                 if system_id in ['basel', 'biel', 'kloten', 'zurich'] and feed.get('name') in ['station_information', 'station_status']:
                     continue
-                if system_id in ['sarreguemines'] and feed.get('name') in ['free_bike_status']:
+                if system_id in ['sarreguemines'] and feed.get('name') in ['free_bike_status', 'vehicle_status']:
                     continue
                 new_feeds.append(feed)
 
diff --git a/app/converters/gbfs_fix_gbfv3_timestamps.py b/app/converters/gbfs_fix_gbfv3_timestamps.py
new file mode 100644
index 0000000..a6aef3e
--- /dev/null
+++ b/app/converters/gbfs_fix_gbfv3_timestamps.py
@@ -0,0 +1,36 @@
+import logging
+from datetime import UTC, datetime
+from typing import Union
+
+from app.base_converter import BaseConverter
+
+logger = logging.getLogger(__name__)
+
+
+class GbfsFixGbfsV3Timestamps(BaseConverter):
+    hostnames = [
+        'yoio.rideatom.com',
+    ]
+
+    def convert(self, data: Union[dict, list], path: str) -> Union[dict, list]:
+        def clean_timestamp(isotimestring: str) -> str:
+            try:
+                parsed_date = datetime.fromisoformat(isotimestring).replace(microsecond=0)
+
+                if parsed_date.tzinfo is None:
+                    parsed_date = parsed_date.replace(tzinfo=UTC)
+
+                return parsed_date.isoformat()
+            except ValueError:
+                logger.error('Could not parse %s as date for %s', isotimestring, path)
+                return isotimestring
+
+        if not isinstance(data, dict):
+            return data
+
+        if 'last_updated' not in data or not isinstance(data['last_updated'], str):
+            return data
+
+        data['last_updated'] = clean_timestamp(data['last_updated'])
+
+        return data
diff --git a/app/converters/gbfs_https_to_http.py b/app/converters/gbfs_https_to_http.py
index 4589ddd..a42e1e9 100644
--- a/app/converters/gbfs_https_to_http.py
+++ b/app/converters/gbfs_https_to_http.py
@@ -10,6 +10,15 @@
 
 
 class GbfsHttpsToHttpConverter(BaseConverter):
+    """
+    This Converter rewrites the https-protocol of
+    all feeds' gbfs files to http, so that subsequent
+    requests of these will be handled by the proxy as well,
+    which responds to http requests but not https.
+
+    It supports GBFSv2 and GBFSv3 format.
+    """
+
     hostnames = [
         'gbfs.nextbike.net',
         'apis.deutschebahn.com',
@@ -27,6 +36,17 @@ class GbfsHttpsToHttpConverter(BaseConverter):
     ]
 
     def convert(self, data: Union[dict, list], path: str) -> Union[dict, list]:
+        def rewrite_https_to_http_for_all_feeds(feeds: list[dict]) -> None:
+            for feed in feeds:
+                if (
+                    not isinstance(feed, dict)
+                    or 'url' not in feed
+                    or not isinstance(feed['url'], str)
+                    or not feed['url'].startswith('https')
+                ):
+                    continue
+                feed['url'] = f'http{feed["url"][5:]}'
+
         if not isinstance(data, dict):
             return data
         if not (path.endswith(('/gbfs.json', '/gbfs'))):
@@ -35,12 +55,13 @@ def convert(self, data: Union[dict, list], path: str) -> Union[dict, list]:
         if not isinstance(data, dict) or 'data' not in data or not isinstance(data['data'], dict):
             return data
 
-        for language in data['data']:
-            if 'feeds' not in data['data'][language] or not isinstance(data['data'][language]['feeds'], list):
-                continue
-            for feed in data['data'][language]['feeds']:
-                if not isinstance(feed, dict) or 'url' not in feed or not isinstance(feed['url'], str):
+        if isinstance(data['data'].get('feeds'), list):
+            # this gbfs file is >= v3
+            rewrite_https_to_http_for_all_feeds(data['data']['feeds'])
+        else:
+            for language in data['data']:
+                if 'feeds' not in data['data'][language] or not isinstance(data['data'][language]['feeds'], list):
                     continue
-                feed['url'] = f'http{feed["url"][5:]}'
+                rewrite_https_to_http_for_all_feeds(data['data'][language]['feeds'])
 
         return data
diff --git a/app/converters/gbfs_nextbike_vehicle_availabilities.py b/app/converters/gbfs_nextbike_vehicle_availabilities.py
index 5336daf..c95dd3b 100644
--- a/app/converters/gbfs_nextbike_vehicle_availabilities.py
+++ b/app/converters/gbfs_nextbike_vehicle_availabilities.py
@@ -49,7 +49,7 @@ def _get_system_id_from_path(path: str) -> str:
 
     def _convert_free_vehicle_status(self, system_id: str, data: dict, path: str) -> dict:
         # cache vehicles per feed
-        vehicles = data.get('data', {}).get('bikes', [])
+        vehicles = data.get('data', {}).get('bikes', data.get('vehicles', []))
         if isinstance(vehicles, list):
             self.free_vehicles_cache_per_system[system_id] = vehicles
         return data
diff --git a/app/converters/gbfs_pickebike_basel_change_pricing_plan_id.py b/app/converters/gbfs_pickebike_basel_change_pricing_plan_id.py
index 0cc31ae..5d7aeda 100644
--- a/app/converters/gbfs_pickebike_basel_change_pricing_plan_id.py
+++ b/app/converters/gbfs_pickebike_basel_change_pricing_plan_id.py
@@ -16,7 +16,7 @@ def convert(self, data: Union[dict, list], path: str) -> Union[dict, list]:
             fields = data.get('data', {})
             if not isinstance(fields, dict):
                 return data
-            vehicles = fields.get('bikes', [])
+            vehicles = fields.get('bikes', fields.get('vehicles', []))
             if not isinstance(vehicles, list):
                 return data
             for vehicle in vehicles:
diff --git a/app/converters/gbfs_set_ttl.py b/app/converters/gbfs_set_ttl.py
index dbb6935..199dba5 100644
--- a/app/converters/gbfs_set_ttl.py
+++ b/app/converters/gbfs_set_ttl.py
@@ -22,7 +22,16 @@ def convert(self, data: Union[dict, list], path: str) -> Union[dict, list]:
         if not isinstance(data, dict):
             return data
 
-        if not path.endswith(('/station_status', '/station_status.json', '/free_bike_status', '/free_bike_status.json')):
+        if not path.endswith(
+            (
+                '/station_status',
+                '/station_status.json',
+                '/free_bike_status',
+                '/free_bike_status.json',
+                '/vehicle_status',
+                '/vehicle_status.json',
+            )
+        ):
             if 'ttl' not in data or data['ttl'] == 0:
                 data['ttl'] = SECONDS_PER_HOUR
             return data
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 191f980..10b1128 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,3 @@
-ruff~=0.9.6
+ruff~=0.11.9
 mypy~=1.15.0
-types-pyyaml~=6.0.12.20241230
+types-pyyaml~=6.0.12.20250915
diff --git a/requirements.txt b/requirements.txt
index ec43220..3270aaf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-mitmproxy~=11.1.2
-pyyaml~=6.0.2
+mitmproxy~=12.2.1
+pyyaml~=6.0.3