diff --git a/Sources/Tracing/NoOpTracer.swift b/Sources/Tracing/NoOpTracer.swift
index e270051..4b10829 100644
--- a/Sources/Tracing/NoOpTracer.swift
+++ b/Sources/Tracing/NoOpTracer.swift
@@ -139,6 +139,12 @@ public struct NoOpTracer: LegacyTracer {
             }
         }
 
+        /// Update the span attributes in a block instead of individually.
+        ///
+        /// The NoOpSpan implementation does not call the closure as setting attributes
+        /// on a NoOpSpan does nothing.
+        public func updateAttributes(_ update: (inout SpanAttributes) -> Void) {}
+
         /// Finishes the span.
         /// - Parameter instant: the time instant the span completed.
         public func end<Instant: TracerInstant>(at instant: @autoclosure () -> Instant) {
diff --git a/Sources/Tracing/SpanProtocol.swift b/Sources/Tracing/SpanProtocol.swift
index a207618..21d548f 100644
--- a/Sources/Tracing/SpanProtocol.swift
+++ b/Sources/Tracing/SpanProtocol.swift
@@ -92,6 +92,17 @@ public protocol Span: Sendable {
         nonmutating set
     }
 
+    /// Update the span attributes in a block instead of individually.
+    ///
+    /// Updating a span attribute involves some type of thread synchronisation
+    /// primitive to avoid multiple threads updating the attributes at the same
+    /// time. If you update each attribute individually, this can cause slowdown.
+    /// This function updates the attributes in one call to avoid hitting the
+    /// thread synchronisation code multiple times.
+    ///
+    /// - Parameter update: closure used to update span attributes
+    func updateAttributes(_ update: (inout SpanAttributes) -> Void)
+
     /// A Boolean value that indicates whether the span is recording information such as events, attributes, status, and so on.
     var isRecording: Bool { get }