diff --git a/front/bio.go b/front/bio.go
index ebab97ab..02901c8b 100644
--- a/front/bio.go
+++ b/front/bio.go
@@ -20,6 +20,7 @@ import (
 	"crypto/sha256"
 	"github.com/dimkr/tootik/front/text"
 	"github.com/dimkr/tootik/front/text/plain"
+	"github.com/dimkr/tootik/outbox"
 	"net/url"
 	"time"
 	"unicode/utf8"
@@ -60,7 +61,16 @@ func bio(w text.Writer, r *request) {
 		return
 	}
 
-	if _, err := r.Exec(
+	tx, err := r.DB.BeginTx(r.Context, nil)
+	if err != nil {
+		r.Log.Warn("Failed to update summary", "error", err)
+		w.Error()
+		return
+	}
+	defer tx.Rollback()
+
+	if _, err := tx.ExecContext(
+		r.Context,
 		"update persons set actor = json_set(actor, '$.summary', $1, '$.updated', $2) where id = $3",
 		plain.ToHTML(summary, nil),
 		now.Format(time.RFC3339Nano),
@@ -71,5 +81,17 @@ func bio(w text.Writer, r *request) {
 		return
 	}
 
+	if err := outbox.UpdateActor(r.Context, tx, r.User.ID); err != nil {
+		r.Log.Error("Failed to update summary", "error", err)
+		w.Error()
+		return
+	}
+
+	if err := tx.Commit(); err != nil {
+		r.Log.Error("Failed to update summary", "error", err)
+		w.Error()
+		return
+	}
+
 	w.Redirectf("/users/outbox/%x", sha256.Sum256([]byte(r.User.ID)))
 }
diff --git a/front/post.go b/front/post.go
index abd885d3..17f7d59f 100644
--- a/front/post.go
+++ b/front/post.go
@@ -208,7 +208,7 @@ func post(w text.Writer, r *request, oldNote *ap.Object, inReplyTo *ap.Object, t
 	if oldNote != nil {
 		note.Published = oldNote.Published
 		note.Updated = &now
-		err = outbox.Update(r.Context, r.DB, &note)
+		err = outbox.UpdateNote(r.Context, r.DB, &note)
 	} else {
 		err = outbox.Create(r.Context, r.Log, r.DB, &note, r.User)
 	}
diff --git a/outbox/poll.go b/outbox/poll.go
index 16486484..8bf2d14f 100644
--- a/outbox/poll.go
+++ b/outbox/poll.go
@@ -102,7 +102,7 @@ func UpdatePollResults(ctx context.Context, log *slog.Logger, db *sql.DB) error
 
 		log.Info("Updating poll results", "poll", poll.ID)
 
-		if err := Update(ctx, db, poll); err != nil {
+		if err := UpdateNote(ctx, db, poll); err != nil {
 			log.Warn("Failed to update poll results", "poll", poll.ID, "error", err)
 		}
 	}
diff --git a/outbox/update.go b/outbox/update.go
index 909ba768..4d46b265 100644
--- a/outbox/update.go
+++ b/outbox/update.go
@@ -27,7 +27,7 @@ import (
 	"time"
 )
 
-func Update(ctx context.Context, db *sql.DB, note *ap.Object) error {
+func UpdateNote(ctx context.Context, db *sql.DB, note *ap.Object) error {
 	body, err := json.Marshal(note)
 	if err != nil {
 		return fmt.Errorf("failed to marshal note: %w", err)
@@ -178,3 +178,33 @@ func Update(ctx context.Context, db *sql.DB, note *ap.Object) error {
 
 	return nil
 }
+
+func UpdateActor(ctx context.Context, tx *sql.Tx, actorID string) error {
+	updateID := fmt.Sprintf("https://%s/update/%x", cfg.Domain, sha256.Sum256([]byte(fmt.Sprintf("%s|%d", actorID, time.Now().UnixNano()))))
+
+	to := ap.Audience{}
+	to.Add(ap.Public)
+
+	update, err := json.Marshal(ap.Activity{
+		Context: "https://www.w3.org/ns/activitystreams",
+		ID:      updateID,
+		Type:    ap.UpdateActivity,
+		Actor:   actorID,
+		Object:  actorID,
+		To:      to,
+	})
+	if err != nil {
+		return fmt.Errorf("failed to marshal update: %w", err)
+	}
+
+	if _, err := tx.ExecContext(
+		ctx,
+		`INSERT INTO outbox (activity, sender) VALUES(?,?)`,
+		string(update),
+		actorID,
+	); err != nil {
+		return fmt.Errorf("failed to insert update activity: %w", err)
+	}
+
+	return nil
+}