diff --git a/Cargo.lock b/Cargo.lock
index 3d4e0a2..2a0eaf8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2843,9 +2843,9 @@ dependencies = [
 
 [[package]]
 name = "k-ap"
-version = "0.3.1"
+version = "0.4.0"
 source = "sparse+https://git.gabrielkaszewski.dev/api/packages/GKaszewski/cargo/"
-checksum = "f73de37ac4feab6d7b78e73c60acbb07933c2be58dcbb12e8a34201f66e0480d"
+checksum = "ccaa914953bfd45ea206e11826da8f61ce1fbe02f8fe0622880527046ad6ae24"
 dependencies = [
  "activitypub_federation",
  "anyhow",
@@ -6623,7 +6623,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
diff --git a/crates/adapters/activitypub/Cargo.toml b/crates/adapters/activitypub/Cargo.toml
index 4ada70a..260fd52 100644
--- a/crates/adapters/activitypub/Cargo.toml
+++ b/crates/adapters/activitypub/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-k-ap = { version = "0.3.1", registry = "gitea" }
+k-ap = { version = "0.4.0", registry = "gitea" }
 domain = { workspace = true }
 axum = { workspace = true }
 serde = { workspace = true }
diff --git a/crates/adapters/postgres-federation/Cargo.toml b/crates/adapters/postgres-federation/Cargo.toml
index 28ab5f1..31e546b 100644
--- a/crates/adapters/postgres-federation/Cargo.toml
+++ b/crates/adapters/postgres-federation/Cargo.toml
@@ -12,7 +12,7 @@ sqlx = { version = "0.8.6", features = [
     "chrono",
 ] }
 activitypub = { workspace = true }
-k-ap = { version = "0.3.1", registry = "gitea" }
+k-ap = { version = "0.4.0", registry = "gitea" }
 domain = { workspace = true }
 uuid = { workspace = true }
 chrono = { workspace = true }
diff --git a/crates/adapters/postgres-federation/src/lib.rs b/crates/adapters/postgres-federation/src/lib.rs
index 7b2a28a..380c88c 100644
--- a/crates/adapters/postgres-federation/src/lib.rs
+++ b/crates/adapters/postgres-federation/src/lib.rs
@@ -65,10 +65,11 @@ fn pg_remote_actor(row: &sqlx::postgres::PgRow, url_col: &str) -> RemoteActor {
                 })
             })
             .unwrap_or_default(),
+        fetched_at: row.try_get("fetched_at").ok(),
     }
 }
 
-const PG_ACTOR_COLS: &str = "a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url, a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as";
+const PG_ACTOR_COLS: &str = "a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url, a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at";
 
 #[async_trait]
 impl FollowRepository for PostgresFederationRepository {
diff --git a/crates/adapters/sqlite-federation/Cargo.toml b/crates/adapters/sqlite-federation/Cargo.toml
index 02289e8..d3adaeb 100644
--- a/crates/adapters/sqlite-federation/Cargo.toml
+++ b/crates/adapters/sqlite-federation/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2024"
 [dependencies]
 sqlx = { workspace = true }
 activitypub = { workspace = true }
-k-ap = { version = "0.3.1", registry = "gitea" }
+k-ap = { version = "0.4.0", registry = "gitea" }
 domain = { workspace = true }
 anyhow = { workspace = true }
 serde_json = { workspace = true }
diff --git a/crates/adapters/sqlite-federation/src/lib.rs b/crates/adapters/sqlite-federation/src/lib.rs
index 3fa7c58..5404a78 100644
--- a/crates/adapters/sqlite-federation/src/lib.rs
+++ b/crates/adapters/sqlite-federation/src/lib.rs
@@ -65,6 +65,16 @@ fn remote_actor_from_row(row: &sqlx::sqlite::SqliteRow, url_col: &str) -> Remote
                 })
             })
             .unwrap_or_default(),
+        fetched_at: row
+            .try_get::<Option<String>, _>("fetched_at")
+            .ok()
+            .flatten()
+            .and_then(|s| {
+                chrono::NaiveDateTime::parse_from_str(&s, "%Y-%m-%d %H:%M:%S")
+                    .map(|ndt| ndt.and_utc())
+                    .or_else(|_| chrono::DateTime::parse_from_rfc3339(&s).map(|dt| dt.with_timezone(&chrono::Utc)))
+                    .ok()
+            }),
     }
 }
 
@@ -136,7 +146,7 @@ impl FollowRepository for SqliteFederationRepository {
         let rows = sqlx::query(
             "SELECT f.remote_actor_url, f.status,
                     a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
-                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as
+                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
              FROM ap_followers f
              LEFT JOIN ap_remote_actors a ON a.url = f.remote_actor_url
              WHERE f.local_user_id = ?",
@@ -170,7 +180,7 @@ impl FollowRepository for SqliteFederationRepository {
         let rows = sqlx::query(
             "SELECT f.remote_actor_url, f.status,
                     a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
-                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as
+                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
              FROM ap_followers f
              LEFT JOIN ap_remote_actors a ON a.url = f.remote_actor_url
              WHERE f.local_user_id = ? AND f.status = 'accepted'
@@ -237,7 +247,7 @@ impl FollowRepository for SqliteFederationRepository {
         let rows = sqlx::query(
             "SELECT f.remote_actor_url,
                     a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
-                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as
+                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
              FROM ap_followers f
              LEFT JOIN ap_remote_actors a ON a.url = f.remote_actor_url
              WHERE f.local_user_id = ? AND f.status = 'pending'",
@@ -301,7 +311,7 @@ impl FollowRepository for SqliteFederationRepository {
         let rows = sqlx::query(
             "SELECT f.remote_actor_url,
                     a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
-                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as
+                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
              FROM ap_followers f
              LEFT JOIN ap_remote_actors a ON a.url = f.remote_actor_url
              WHERE f.local_user_id = ? AND f.status = 'accepted'
@@ -377,7 +387,7 @@ impl FollowRepository for SqliteFederationRepository {
 
         let rows = sqlx::query(
             "SELECT a.url, a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
-                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as
+                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
              FROM ap_following f
              INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url
              WHERE f.local_user_id = ? AND f.status = 'accepted'",
@@ -415,7 +425,7 @@ impl FollowRepository for SqliteFederationRepository {
 
         let rows = sqlx::query(
             "SELECT a.url, a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
-                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as
+                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
              FROM ap_following f
              INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url
              WHERE f.local_user_id = ? AND f.status = 'accepted'
@@ -607,7 +617,7 @@ impl ActorRepository for SqliteFederationRepository {
     async fn get_remote_actor(&self, actor_url: &str) -> Result<Option<RemoteActor>> {
         let row = sqlx::query(
             "SELECT url, handle, inbox_url, shared_inbox_url, display_name, avatar_url,
-                    outbox_url, bio, banner_url, followers_url, following_url, also_known_as
+                    outbox_url, bio, banner_url, followers_url, following_url, also_known_as, fetched_at
              FROM ap_remote_actors WHERE url = ?",
         )
         .bind(actor_url)
@@ -1154,6 +1164,7 @@ mod outbox_url_tests {
             followers_url: None,
             following_url: None,
             also_known_as: vec![],
+            fetched_at: None,
         };
         repo.add_following(local_user, actor, "https://local/activities/1")
             .await