diff --git a/pomice/node.py b/pomice/node.py
index 7d09d10..ee066c8 100644
--- a/pomice/node.py
+++ b/pomice/node.py
@@ -139,7 +139,7 @@ class Node:
             guild_id = int(data["d"]["guild_id"])
             try:
                 player = self._players[guild_id]
-                await player._voice_server_update(data["d"])
+                await player.on_voice_server_update(data["d"])
             except KeyError:
                 return
 
@@ -150,7 +150,7 @@ class Node:
             guild_id = int(data["d"]["guild_id"])
             try:
                 player = self._players[guild_id]
-                await player._voice_state_update(data["d"])
+                await player.on_voice_state_update(data["d"])
             except KeyError:
                 return
 
diff --git a/pomice/player.py b/pomice/player.py
index fba90a4..f425c49 100644
--- a/pomice/player.py
+++ b/pomice/player.py
@@ -90,11 +90,11 @@ class Player(VoiceProtocol):
             **voice_data
         )
 
-    async def _voice_server_update(self, data: dict):
+    async def on_voice_server_update(self, data: dict):
         self._voice_state.update({"event": data})
         await self._dispatch_voice_update(self._voice_state)
 
-    async def _voice_state_update(self, data: dict):
+    async def on_voice_state_update(self, data: dict):
         self._voice_state.update({"sessionId": data.get("session_id")})
         if not (channel_id := data.get("channel_id")):
             self.channel = None