diff --git a/bridgev2/bridgeconfig/appservice.go b/bridgev2/bridgeconfig/appservice.go
index 5e482499..1c935c00 100644
--- a/bridgev2/bridgeconfig/appservice.go
+++ b/bridgev2/bridgeconfig/appservice.go
@@ -123,7 +123,7 @@ func (buc *BotUserConfig) UnmarshalYAML(node *yaml.Node) error {
 		return err
 	}
 	*buc = (BotUserConfig)(sbuc)
-	if buc.Avatar != "" && buc.Avatar != "remove" {
+	if buc.Avatar != "" {
 		buc.ParsedAvatar, err = id.ParseContentURI(buc.Avatar)
 		if err != nil {
 			return fmt.Errorf("%w in bot avatar", err)
diff --git a/bridgev2/ghost.go b/bridgev2/ghost.go
index e4e007cd..54197da4 100644
--- a/bridgev2/ghost.go
+++ b/bridgev2/ghost.go
@@ -136,22 +136,16 @@ type UserInfo struct {
 	ExtraUpdates ExtraUpdater[*Ghost]
 }
 
-func (ghost *Ghost) UpdateName(ctx context.Context, name string) bool {
+func (ghost *Ghost) updateName(name string) bool {
 	if ghost.Name == name && ghost.NameSet {
 		return false
 	}
 	ghost.Name = name
 	ghost.NameSet = false
-	err := ghost.Intent.SetDisplayName(ctx, name)
-	if err != nil {
-		zerolog.Ctx(ctx).Err(err).Msg("Failed to set display name")
-	} else {
-		ghost.NameSet = true
-	}
 	return true
 }
 
-func (ghost *Ghost) UpdateAvatar(ctx context.Context, avatar *Avatar) bool {
+func (ghost *Ghost) updateAvatar(ctx context.Context, avatar *Avatar) bool {
 	if ghost.AvatarID == avatar.ID && ghost.AvatarSet {
 		return false
 	}
@@ -171,15 +165,10 @@ func (ghost *Ghost) UpdateAvatar(ctx context.Context, avatar *Avatar) bool {
 		ghost.AvatarMXC = ""
 	}
 	ghost.AvatarSet = false
-	if err := ghost.Intent.SetAvatarURL(ctx, ghost.AvatarMXC); err != nil {
-		zerolog.Ctx(ctx).Err(err).Msg("Failed to set avatar URL")
-	} else {
-		ghost.AvatarSet = true
-	}
 	return true
 }
 
-func (ghost *Ghost) UpdateContactInfo(ctx context.Context, identifiers []string, isBot *bool) bool {
+func (ghost *Ghost) updateContactInfo(identifiers []string, isBot *bool) bool {
 	if identifiers != nil {
 		slices.Sort(identifiers)
 	}
@@ -194,21 +183,6 @@ func (ghost *Ghost) UpdateContactInfo(ctx context.Context, identifiers []string,
 	if isBot != nil {
 		ghost.IsBot = *isBot
 	}
-	bridgeName := ghost.Bridge.Network.GetName()
-	meta := &event.BeeperProfileExtra{
-		RemoteID:     string(ghost.ID),
-		Identifiers:  ghost.Identifiers,
-		Service:      bridgeName.BeeperBridgeType,
-		Network:      bridgeName.NetworkID,
-		IsBridgeBot:  false,
-		IsNetworkBot: ghost.IsBot,
-	}
-	err := ghost.Intent.SetExtraProfileMeta(ctx, meta)
-	if err != nil {
-		zerolog.Ctx(ctx).Err(err).Msg("Failed to set extra profile metadata")
-	} else {
-		ghost.ContactInfoSet = true
-	}
 	return true
 }
 
@@ -264,17 +238,41 @@ func (ghost *Ghost) UpdateInfo(ctx context.Context, info *UserInfo) {
 	oldName := ghost.Name
 	oldAvatar := ghost.AvatarMXC
 	if info.Name != nil {
-		update = ghost.UpdateName(ctx, *info.Name) || update
+		update = ghost.updateName(*info.Name) || update
 	}
 	if info.Avatar != nil {
-		update = ghost.UpdateAvatar(ctx, info.Avatar) || update
+		update = ghost.updateAvatar(ctx, info.Avatar) || update
 	}
 	if info.Identifiers != nil || info.IsBot != nil {
-		update = ghost.UpdateContactInfo(ctx, info.Identifiers, info.IsBot) || update
+		update = ghost.updateContactInfo(info.Identifiers, info.IsBot) || update
 	}
 	if info.ExtraUpdates != nil {
 		update = info.ExtraUpdates(ctx, ghost) || update
 	}
+	if update {
+		bridgeName := ghost.Bridge.Network.GetName()
+		err := ghost.Intent.SetProfile(ctx, &event.ExtendedProfile[event.BeeperProfileExtra]{
+			StandardProfile: event.StandardProfile{
+				Displayname: ghost.Name,
+				AvatarURL:   ghost.AvatarMXC,
+			},
+			Extra: event.BeeperProfileExtra{
+				RemoteID:     string(ghost.ID),
+				Identifiers:  ghost.Identifiers,
+				Service:      bridgeName.BeeperBridgeType,
+				Network:      bridgeName.NetworkID,
+				IsBridgeBot:  false,
+				IsNetworkBot: ghost.IsBot,
+			},
+		})
+		if err != nil {
+			zerolog.Ctx(ctx).Err(err).Msg("Failed to set profile")
+		} else {
+			ghost.NameSet = true
+			ghost.AvatarSet = true
+			ghost.ContactInfoSet = true
+		}
+	}
 	if oldName != ghost.Name || oldAvatar != ghost.AvatarMXC {
 		ghost.updateDMPortals(ctx)
 	}
diff --git a/bridgev2/matrix/connector.go b/bridgev2/matrix/connector.go
index 4297cba7..b4cf36ce 100644
--- a/bridgev2/matrix/connector.go
+++ b/bridgev2/matrix/connector.go
@@ -375,39 +375,20 @@ func (br *Connector) fetchMediaConfig(ctx context.Context) {
 
 func (br *Connector) UpdateBotProfile(ctx context.Context) {
 	br.Log.Debug().Msg("Updating bot profile")
-	botConfig := &br.Config.AppService.Bot
-
-	var err error
-	var mxc id.ContentURI
-	if botConfig.Avatar == "remove" {
-		err = br.Bot.SetAvatarURL(ctx, mxc)
-	} else if !botConfig.ParsedAvatar.IsEmpty() {
-		err = br.Bot.SetAvatarURL(ctx, botConfig.ParsedAvatar)
-	}
-	if err != nil {
-		br.Log.Warn().Err(err).Msg("Failed to update bot avatar")
-	}
-
-	if botConfig.Displayname == "remove" {
-		err = br.Bot.SetDisplayName(ctx, "")
-	} else if len(botConfig.Displayname) > 0 {
-		err = br.Bot.SetDisplayName(ctx, botConfig.Displayname)
-	}
-	if err != nil {
-		br.Log.Warn().Err(err).Msg("Failed to update bot displayname")
-	}
-
-	if br.SpecVersions.Supports(mautrix.BeeperFeatureArbitraryProfileMeta) {
-		br.Log.Debug().Msg("Setting contact info on the appservice bot")
-		netName := br.Bridge.Network.GetName()
-		err = br.Bot.BeeperUpdateProfile(ctx, event.BeeperProfileExtra{
+	netName := br.Bridge.Network.GetName()
+	err := br.Bot.SetProfile(ctx, event.ExtendedProfile[event.BeeperProfileExtra]{
+		StandardProfile: event.StandardProfile{
+			Displayname: br.Config.AppService.Bot.Displayname,
+			AvatarURL:   br.Config.AppService.Bot.ParsedAvatar.CUString(),
+		},
+		Extra: event.BeeperProfileExtra{
 			Service:     netName.BeeperBridgeType,
 			Network:     netName.NetworkID,
 			IsBridgeBot: true,
-		})
-		if err != nil {
-			br.Log.Warn().Err(err).Msg("Failed to update bot contact info")
-		}
+		},
+	})
+	if err != nil {
+		br.Log.Warn().Err(err).Msg("Failed to update bot profile")
 	}
 }
 
diff --git a/bridgev2/matrix/intent.go b/bridgev2/matrix/intent.go
index 7f6ebbb9..8df4ae22 100644
--- a/bridgev2/matrix/intent.go
+++ b/bridgev2/matrix/intent.go
@@ -412,6 +412,10 @@ func (as *ASIntent) SetExtraProfileMeta(ctx context.Context, data any) error {
 	return as.Matrix.BeeperUpdateProfile(ctx, data)
 }
 
+func (as *ASIntent) SetProfile(ctx context.Context, profile any) error {
+	return as.Matrix.SetProfile(ctx, profile)
+}
+
 func (as *ASIntent) GetMXID() id.UserID {
 	return as.Matrix.UserID
 }
diff --git a/bridgev2/matrix/mxmain/example-config.yaml b/bridgev2/matrix/mxmain/example-config.yaml
index 31490bb3..c738e235 100644
--- a/bridgev2/matrix/mxmain/example-config.yaml
+++ b/bridgev2/matrix/mxmain/example-config.yaml
@@ -167,8 +167,7 @@ appservice:
     bot:
         # Username of the appservice bot.
         username: $<<.NetworkID>>bot
-        # Display name and avatar for bot. Set to "remove" to remove display name/avatar, leave empty
-        # to leave display name/avatar as-is.
+        # Display name and avatar for bot. If empty, profile info won't be changed.
         displayname: $<<.DisplayName>> bridge bot
         avatar: $<<.NetworkIcon>>
 
diff --git a/bridgev2/matrixinterface.go b/bridgev2/matrixinterface.go
index 9fb0c82d..58e3005a 100644
--- a/bridgev2/matrixinterface.go
+++ b/bridgev2/matrixinterface.go
@@ -113,9 +113,13 @@ type MatrixAPI interface {
 	UploadMedia(ctx context.Context, roomID id.RoomID, data []byte, fileName, mimeType string) (url id.ContentURIString, file *event.EncryptedFileInfo, err error)
 	UploadMediaStream(ctx context.Context, roomID id.RoomID, size int64, requireFile bool, cb FileStreamCallback) (url id.ContentURIString, file *event.EncryptedFileInfo, err error)
 
+	// Deprecated: use SetProfile instead
 	SetDisplayName(ctx context.Context, name string) error
+	// Deprecated: use SetProfile instead
 	SetAvatarURL(ctx context.Context, avatarURL id.ContentURIString) error
+	// Deprecated: use SetProfile instead
 	SetExtraProfileMeta(ctx context.Context, data any) error
+	SetProfile(ctx context.Context, profile any) error
 
 	CreateRoom(ctx context.Context, req *mautrix.ReqCreateRoom) (id.RoomID, error)
 	DeleteRoom(ctx context.Context, roomID id.RoomID, puppetsOnly bool) error
diff --git a/client.go b/client.go
index edbeedfe..4dfbc6b8 100644
--- a/client.go
+++ b/client.go
@@ -20,6 +20,7 @@ import (
 	"time"
 
 	"github.com/rs/zerolog"
+	"github.com/tidwall/gjson"
 	"go.mau.fi/util/ptr"
 	"go.mau.fi/util/retryafter"
 	"golang.org/x/exp/maps"
@@ -1030,7 +1031,64 @@ func (cli *Client) SetAvatarURL(ctx context.Context, url id.ContentURI) (err err
 	return nil
 }
 
+// SetProfile replaces the user's entire profile.
+//
+// If MSC4133 (https://github.com/matrix-org/matrix-spec-proposals/pull/4133) is supported, this is a single PUT call.
+// Otherwise, the provided data will be parsed and the displayname and avatar are sent in separate requests.
+func (cli *Client) SetProfile(ctx context.Context, data any) (err error) {
+	return cli.setOrUpdateProfile(ctx, data, http.MethodPut)
+}
+
+// UpdateProfile updates the provided fields in the user's entire profile.
+//
+// If MSC4133 (https://github.com/matrix-org/matrix-spec-proposals/pull/4133) is supported, this is a single PATCH call.
+// Otherwise, the provided data will be parsed and the displayname and avatar are sent in separate requests.
+func (cli *Client) UpdateProfile(ctx context.Context, data any) (err error) {
+	return cli.setOrUpdateProfile(ctx, data, http.MethodPatch)
+}
+
+func (cli *Client) setOrUpdateProfile(ctx context.Context, data any, method string) (err error) {
+	if cli.SpecVersions.Supports(FeatureExtendedProfiles) || cli.SpecVersions.Supports(BeeperFeatureArbitraryProfileMeta) {
+		urlPath := cli.BuildClientURL("v3", "profile", cli.UserID)
+		_, err = cli.MakeRequest(ctx, method, urlPath, data, nil)
+	} else if cli.SpecVersions.Supports(UnstableFeatureExtendedProfiles) {
+		urlPath := cli.BuildClientURL("unstable", "uk.tcpip.msc4133", "profile", cli.UserID)
+		_, err = cli.MakeRequest(ctx, method, urlPath, data, nil)
+	} else {
+		var dataJSON []byte
+		dataJSON, err = json.Marshal(data)
+		if err != nil {
+			return err
+		}
+		vals := gjson.GetManyBytes(dataJSON, "displayname", "avatar_url")
+		if vals[0].Exists() || method == http.MethodPut {
+			err = cli.SetDisplayName(ctx, vals[0].Str)
+			if err != nil {
+				return fmt.Errorf("failed to set display name: %w", err)
+			}
+		}
+		if vals[1].Exists() {
+			parsed, err := id.ParseContentURI(vals[1].Str)
+			if err != nil {
+				return fmt.Errorf("failed to parse avatar URL: %w", err)
+			}
+			err = cli.SetAvatarURL(ctx, parsed)
+			if err != nil {
+				return fmt.Errorf("failed to set avatar URL: %w", err)
+			}
+		} else if method == http.MethodPut {
+			err = cli.SetAvatarURL(ctx, id.ContentURI{})
+			if err != nil {
+				return fmt.Errorf("failed to set avatar URL: %w", err)
+			}
+		}
+	}
+	return
+}
+
 // BeeperUpdateProfile sets custom fields in the user's profile.
+//
+// Deprecated: Updating profiles is being added to the Matrix spec in MSC4133. Use UpdateProfile instead.
 func (cli *Client) BeeperUpdateProfile(ctx context.Context, data any) (err error) {
 	urlPath := cli.BuildClientURL("v3", "profile", cli.UserID)
 	_, err = cli.MakeRequest(ctx, http.MethodPatch, urlPath, data, nil)
diff --git a/event/member.go b/event/member.go
index ebafdcb7..1a731a3e 100644
--- a/event/member.go
+++ b/event/member.go
@@ -7,7 +7,9 @@
 package event
 
 import (
+	"bytes"
 	"encoding/json"
+	"errors"
 
 	"maunium.net/go/mautrix/id"
 )
@@ -43,6 +45,43 @@ type MemberEventContent struct {
 	Reason           string              `json:"reason,omitempty"`
 }
 
+type StandardProfile struct {
+	Displayname string              `json:"displayname,omitempty"`
+	AvatarURL   id.ContentURIString `json:"avatar_url,omitempty"`
+}
+
+type ExtendedProfile[T any] struct {
+	StandardProfile
+	Extra T
+}
+
+func (ep *ExtendedProfile[T]) MarshalJSON() ([]byte, error) {
+	data, err := json.Marshal(ep.StandardProfile)
+	if err != nil {
+		return nil, err
+	}
+	extraData, err := json.Marshal(ep.Extra)
+	if err != nil {
+		return nil, err
+	}
+	if len(extraData) == 0 || bytes.Equal(extraData, []byte("{}")) || bytes.Equal(extraData, []byte("null")) {
+		return data, nil
+	} else if extraData[0] != '{' || extraData[len(extraData)-1] != '}' {
+		return nil, errors.New("unexpected type marshaling profile extra data: not an object")
+	}
+	data[len(data)-1] = ','
+	data = append(data, extraData[1:]...)
+	return data, nil
+}
+
+func (ep *ExtendedProfile[T]) UnmarshalJSON(data []byte) error {
+	err := json.Unmarshal(data, &ep.StandardProfile)
+	if err != nil {
+		return err
+	}
+	return json.Unmarshal(data, &ep.Extra)
+}
+
 type ThirdPartyInvite struct {
 	DisplayName string `json:"display_name"`
 	Signed      struct {
diff --git a/versions.go b/versions.go
index 672018ff..d468e689 100644
--- a/versions.go
+++ b/versions.go
@@ -64,6 +64,9 @@ var (
 	FeatureAppservicePing     = UnstableFeature{UnstableFlag: "fi.mau.msc2659.stable", SpecVersion: SpecV17}
 	FeatureAuthenticatedMedia = UnstableFeature{UnstableFlag: "org.matrix.msc3916.stable", SpecVersion: SpecV111}
 
+	UnstableFeatureExtendedProfiles = UnstableFeature{UnstableFlag: "uk.tcpip.msc4133"}
+	FeatureExtendedProfiles         = UnstableFeature{UnstableFlag: "uk.tcpip.msc4133.stable"}
+
 	BeeperFeatureHungry               = UnstableFeature{UnstableFlag: "com.beeper.hungry"}
 	BeeperFeatureBatchSending         = UnstableFeature{UnstableFlag: "com.beeper.batch_sending"}
 	BeeperFeatureRoomYeeting          = UnstableFeature{UnstableFlag: "com.beeper.room_yeeting"}