diff --git a/bot.py b/bot.py
index 4083f15..7a6c1c0 100644
--- a/bot.py
+++ b/bot.py
@@ -47,12 +47,12 @@ def __init__(self, datadir, debug: bool = False):
         self.settings = Settings(datadir, **conf['default server settings'])
         self.APIkeys = conf.get('APIkeys', {})
 
-        self.localizer = Localizer(conf.get('locale path', "./localization"), conf.get('locale', 'en_en'))
-        self.aliaser = Aliaser(conf.get('locale path', "./localization"), conf.get('locale', 'en_en'))
+        self.localizer: Localizer = Localizer(conf.get('locale path', "./localization"), conf.get('locale', 'en_en'))
+        self.aliaser: Aliaser = Aliaser(conf.get('locale path', "./localization"), conf.get('locale', 'en_en'))
 
         self.datadir = datadir
-        self.debug = debug
-        self.main_logger = logger
+        self.debug: bool = debug
+        self.main_logger: BotLogger = logger
         self.logger = self.main_logger.bot_logger.getChild("Bot")
         self.logger.debug("Debug: %s" % debug)
         self.lavalink: Optional[lavalink.Client] = None
@@ -66,7 +66,7 @@ async def process_commands(self, message):
         ctx = await self.get_context(message, cls=LocalizedContext)
 
         # Replace aliases with commands
-        ctx = self.aliaser.get_command(ctx)
+        ctx: LocalizedContext = self.aliaser.get_command(ctx)
 
         # Add the localizer
         if ctx.command and ctx.command.cog_name:
diff --git a/justfile b/justfile
index b298467..24c3c64 100644
--- a/justfile
+++ b/justfile
@@ -7,7 +7,7 @@ default:
 # Make a new virtual environment
 [private]
 make_venv:
-    python3.10 -m venv {{env_name}}
+    python3 -m venv {{env_name}}
     {{python}} -m pip install --upgrade pip
     {{python}} -m pip install -r requirements.txt
 
diff --git a/musicbot/cogs/music/__init__.py b/musicbot/cogs/music/__init__.py
index c9f85bb..ece32e3 100644
--- a/musicbot/cogs/music/__init__.py
+++ b/musicbot/cogs/music/__init__.py
@@ -39,7 +39,6 @@
 from .music_errors import MusicError, PlayerNotAvailableError, WrongTextChannelError
 from .voice_client import BasicVoiceClient
 
-time_rx = re.compile('[0-9]+')
 url_rx = re.compile('https?:\\/\\/(?:www\\.)?.+')
 
 
@@ -199,19 +198,13 @@ async def _forceplay(self, ctx, *, query: str):
     @checks.dj_or(alone=True, track_requester=True)
     @require_voice_connection()
     @require_playing(require_user_listening=True)
-    async def _seek(self, ctx, *, time: str):
+    async def _seek(self, ctx, *, seconds: int):
         """Seeks to a given position in a track."""
         player = self.get_player(ctx.guild)
-        if seconds := time_rx.search(time):
-            # Convert to milliseconds, include sign
-            milliseconds = int(seconds.group())*1000 * (-1 if time.startswith('-1') else 1)
-
-            track_time = player.position + milliseconds
-            await player.seek(int(track_time))
-            msg = ctx.localizer.format_str("{seek.track_moved}", _position=timeformatter.format_ms(track_time))
-            await ctx.send(msg)
-        else:
-            await ctx.send(ctx.localizer.format_str("{seek.missing_amount}"))
+        track_time = player.position + seconds * 1000  # milliseconds
+        await player.seek(int(track_time))
+        msg = ctx.localizer.format_str("{seek.track_moved}", _position=timeformatter.format_ms(track_time))
+        return await ctx.send(msg)
 
     @commands.command(name='skip')
     @require_voice_connection()
@@ -868,8 +861,9 @@ async def check_leave_voice(self, guild: discord.Guild):
         if len(player.listeners) == 0 and player.is_connected:
             if player.queue.empty and player.current is None:
                 await player.stop()
+                voice_client: BasicVoiceClient
                 if voice_client := guild.voice_client:
-                    await voice_client.disconnect(force=False)
+                    await voice_client.disconnect(force=True)
 
     async def leave_check(self):
         for player_id in self.lavalink.player_manager.players:
diff --git a/requirements.txt b/requirements.txt
index ec0742f..86bc6dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
-discord.py == 2.0.*
+discord.py == 2.3.*
 lavalink == 4.0.*
 asyncio
 pyyaml
 BeautifulSoup4
 pytest
-ruff==0.0.263
+ruff==0.0.274
 pre-commit