diff --git a/src/index.js b/src/index.js
index 446766f..f102a17 100644
--- a/src/index.js
+++ b/src/index.js
@@ -18,6 +18,7 @@ exports.Constants = require('./util/Constants');
 exports.DataResolver = require('./util/DataResolver');
 exports.DiscordAPIError = require('./rest/DiscordAPIError');
 exports.Formatters = require('./util/Formatters');
+exports.GuildMemberFlags = require('./util/GuildMemberFlags');
 exports.HTTPError = require('./rest/HTTPError');
 exports.Intents = require('./util/Intents');
 exports.LimitedCollection = require('./util/LimitedCollection');
diff --git a/src/managers/GuildMemberManager.js b/src/managers/GuildMemberManager.js
index 4d0abd7..c061b08 100644
--- a/src/managers/GuildMemberManager.js
+++ b/src/managers/GuildMemberManager.js
@@ -11,6 +11,7 @@ const { Role } = require('../structures/Role');
 const { Events, Opcodes } = require('../util/Constants');
 const { PartialTypes } = require('../util/Constants');
 const DataResolver = require('../util/DataResolver');
+const GuildMemberFlags = require('../util/GuildMemberFlags');
 const SnowflakeUtil = require('../util/SnowflakeUtil');
 
 /**
@@ -276,6 +277,7 @@ class GuildMemberManager extends CachedManager {
    * (if they are connected to voice), or `null` if you want to disconnect them from voice
    * @property {DateResolvable|null} [communicationDisabledUntil] The date or timestamp
    * for the member's communication to be disabled until. Provide `null` to enable communication again.
+   * @property {GuildMemberFlagsResolvable} [flags] The flags to set for the member
    * @property {?(BufferResolvable|Base64Resolvable)} [avatar] The new guild avatar
    * @property {?(BufferResolvable|Base64Resolvable)} [banner] The new guild banner
    * @property {?string} [bio] The new guild about me
@@ -311,6 +313,8 @@ class GuildMemberManager extends CachedManager {
     _data.communication_disabled_until =
       _data.communicationDisabledUntil && new Date(_data.communicationDisabledUntil).toISOString();
 
+    _data.flags = _data.flags && GuildMemberFlags.resolve(_data.flags);
+
     // Avatar, banner, bio
     if (typeof _data.avatar !== 'undefined') {
       _data.avatar = await DataResolver.resolveImage(_data.avatar);
diff --git a/src/structures/GuildMember.js b/src/structures/GuildMember.js
index 6ec2b3e..72c1a86 100644
--- a/src/structures/GuildMember.js
+++ b/src/structures/GuildMember.js
@@ -6,6 +6,7 @@ const VoiceState = require('./VoiceState');
 const TextBasedChannel = require('./interfaces/TextBasedChannel');
 const { Error } = require('../errors');
 const GuildMemberRoleManager = require('../managers/GuildMemberRoleManager');
+const GuildMemberFlags = require('../util/GuildMemberFlags');
 const Permissions = require('../util/Permissions');
 const Util = require('../util/Util');
 
@@ -96,6 +97,16 @@ class GuildMember extends Base {
       this.communicationDisabledUntilTimestamp =
         data.communication_disabled_until && Date.parse(data.communication_disabled_until);
     }
+
+    if ('flags' in data) {
+      /**
+       * The flags of this member
+       * @type {Readonly<GuildMemberFlags>}
+       */
+      this.flags = new GuildMemberFlags(data.flags).freeze();
+    } else {
+      this.flags ??= new GuildMemberFlags().freeze();
+    }
   }
 
   _ProfilePatch(data) {
@@ -408,6 +419,16 @@ class GuildMember extends Base {
     return this.edit({ nick }, reason);
   }
 
+  /**
+   * Sets the flags for this member.
+   * @param {GuildMemberFlagsResolvable} flags The flags to set
+   * @param {string} [reason] Reason for setting the flags
+   * @returns {Promise<GuildMember>}
+   */
+  setFlags(flags, reason) {
+    return this.edit({ flags, reason });
+  }
+
   /**
    * Sets the guild avatar of the logged in client.
    * @param {?(BufferResolvable|Base64Resolvable)} avatar The new avatar
@@ -582,6 +603,7 @@ class GuildMember extends Base {
       this.bio === member.bio &&
       this.pending === member.pending &&
       this.communicationDisabledUntilTimestamp === member.communicationDisabledUntilTimestamp &&
+      this.flags.equals(member.flags) &&
       (this._roles === member._roles ||
         (this._roles.length === member._roles.length && this._roles.every((role, i) => role === member._roles[i])))
     );
diff --git a/src/util/GuildMemberFlags.js b/src/util/GuildMemberFlags.js
new file mode 100644
index 00000000..b4c3709
--- /dev/null
+++ b/src/util/GuildMemberFlags.js
@@ -0,0 +1,43 @@
+'use strict';
+
+const BitField = require('./BitField');
+
+/**
+ * Data structure that makes it easy to interact with an {@link GuildMember#flags} bitfield.
+ * @extends {BitField}
+ */
+class GuildMemberFlags extends BitField {}
+
+/**
+ * @name GuildMemberFlags
+ * @kind constructor
+ * @memberof GuildMemberFlags
+ * @param {BitFieldResolvable} [bits=0] Bit(s) to read from
+ */
+
+/**
+ * Numeric guild member flags. All available properties:
+ * * `DID_REJOIN`
+ * * `COMPLETED_ONBOARDING`
+ * * `BYPASSES_VERIFICATION`
+ * * `STARTED_ONBOARDING`
+ * @type {Object}
+ * @see {@link https://discord.com/developers/docs/resources/guild#guild-member-object-guild-member-flags}
+ */
+GuildMemberFlags.FLAGS = {
+  DID_REJOIN: 1 << 0,
+  COMPLETED_ONBOARDING: 1 << 1,
+  BYPASSES_VERIFICATION: 1 << 2,
+  STARTED_ONBOARDING: 1 << 3,
+};
+
+/**
+ * Data that can be resolved to give a guild member flag bitfield. This can be:
+ * * A string (see {@link GuildMemberFlags.FLAGS})
+ * * A guild member flag
+ * * An instance of GuildMemberFlags
+ * * An Array of GuildMemberFlagsResolvable
+ * @typedef {string|number|GuildMemberFlags|GuildMemberFlagsResolvable[]} GuildMemberFlagsResolvable
+ */
+
+module.exports = GuildMemberFlags;
diff --git a/typings/index.d.ts b/typings/index.d.ts
index cd5126a..4a65dca 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -1573,6 +1573,7 @@ export class GuildMember extends PartialTextBasedChannel(Base) {
   public readonly displayColor: number;
   public readonly displayHexColor: HexColorString;
   public readonly displayName: string;
+  public flags: Readonly<GuildMemberFlags>;
   public guild: Guild;
   public readonly id: Snowflake;
   public pending: boolean;
@@ -1610,6 +1611,7 @@ export class GuildMember extends PartialTextBasedChannel(Base) {
   public kick(reason?: string): Promise<GuildMember>;
   public permissionsIn(channel: GuildChannelResolvable): Readonly<Permissions>;
   public setNickname(nickname: string | null, reason?: string): Promise<GuildMember>;
+  public setFlags(flags: GuildMemberFlagsResolvable): Promise<GuildMember>;
   public setAvatar(avatar: BufferResolvable | Base64Resolvable | null): Promise<GuildMember>;
   public setBanner(banner: BufferResolvable | Base64Resolvable | null): Promise<GuildMember>;
   public setAboutMe(bio: string | null): Promise<GuildMember>;
@@ -1620,6 +1622,11 @@ export class GuildMember extends PartialTextBasedChannel(Base) {
   public setThemeColors(primary?: ColorResolvable, accent?: ColorResolvable): GuildMember;
 }
 
+export class GuildMemberFlags extends BitField<GuildMemberFlagsString> {
+  public static FLAGS: Record<GuildMemberFlagsString, number>;
+  public static resolve(bit?: BitFieldResolvable<GuildMemberFlagsString, number>): number;
+}
+
 export class GuildPreview extends Base {
   private constructor(client: Client, data: RawGuildPreviewData);
   public approximateMemberCount: number;
@@ -6215,11 +6222,20 @@ export interface GuildMemberEditData {
   deaf?: boolean;
   channel?: GuildVoiceChannelResolvable | null;
   communicationDisabledUntil?: DateResolvable | null;
+  flags?: GuildMemberFlagsResolvable;
   avatar?: BufferResolvable | Base64Resolvable | null;
   banner?: BufferResolvable | Base64Resolvable | null;
   bio?: string | null;
 }
 
+export type GuildMemberFlagsString =
+  | 'DID_REJOIN'
+  | 'COMPLETED_ONBOARDING'
+  | 'BYPASSES_VERIFICATION'
+  | 'STARTED_ONBOARDING';
+
+export type GuildMemberFlagsResolvable = BitFieldResolvable<GuildMemberFlagsString, number>;
+
 export type GuildMemberResolvable = GuildMember | UserResolvable;
 
 export type GuildResolvable = Guild | NonThreadGuildBasedChannel | GuildMember | GuildEmoji | Invite | Role | Snowflake;