diff --git a/Sources/bskyKit/BskyService.swift b/Sources/bskyKit/BskyService.swift
index 610e03d..5af457d 100644
--- a/Sources/bskyKit/BskyService.swift
+++ b/Sources/bskyKit/BskyService.swift
@@ -404,7 +404,11 @@ public struct BskyService: Sendable {
     /// - Parameter date: The timestamp to mark as seen (default: now).
     /// - Throws: An error if not authenticated or the request fails.
     public func updateSeen(at date: Date = Date()) async throws {
-        let _: EmptyResponse = try await execute(.updateSeen(seenAt: date))
+        do {
+            let _: EmptyResponse = try await execute(.updateSeen(seenAt: date))
+        } catch is DecodingError {
+            // updateSeen returns an empty body on success — decoding failure is expected
+        }
     }
 
     // MARK: - Chat