diff --git a/src/Discord/Discord.php b/src/Discord/Discord.php
index 0da3bfdab..67244c1fb 100644
--- a/src/Discord/Discord.php
+++ b/src/Discord/Discord.php
@@ -1255,6 +1255,39 @@ protected function ready()
         }
     }
 
+    /**
+     * Updates the client's voice state in a guild.
+     *
+     * @param Guild|string        $guild_id   ID of the guild.
+     * @param Channel|string|null $channel_id ID of the voice channel to join, or null to disconnect.
+     * @param bool                $self_mute  Whether the client is muted.
+     * @param bool                $self_deaf  Whether the client is deafened.
+     *
+     * @since 10.19.0
+     */
+    public function updateVoiceState($guild_id, $channel_id = null, bool $self_mute = false, bool $self_deaf = false): void
+    {
+        if (! is_string($guild_id)) {
+            $guild_id = $guild_id->id;
+        }
+
+        if (isset($channel_id) && ! is_string($channel_id)) {
+            $channel_id = $channel_id->id;
+        }
+
+        $payload = Payload::new(
+            Op::OP_UPDATE_VOICE_STATE,
+            [
+                'guild_id' => $guild_id,
+                'channel_id' => $channel_id,
+                'self_mute' => $self_mute,
+                'self_deaf' => $self_deaf,
+            ]
+        );
+
+        $this->send($payload);
+    }
+
     /**
      * Updates the clients presence.
      *
@@ -1287,7 +1320,7 @@ public function updatePresence(?Activity $activity = null, bool $idle = false, s
         }
 
         $payload = Payload::new(
-            Op::OP_PRESENCE_UPDATE,
+            Op::OP_UPDATE_PRESENCE,
             [
                 'since' => $idle,
                 'activities' => [$activity],