diff --git a/LiveObjects/Tests/AblyLiveObjectsTests/Integration/AblyLiveObjectsTests.swift b/LiveObjects/Tests/AblyLiveObjectsTests/Integration/AblyLiveObjectsTests.swift
index dd846e73f..569df0062 100644
--- a/LiveObjects/Tests/AblyLiveObjectsTests/Integration/AblyLiveObjectsTests.swift
+++ b/LiveObjects/Tests/AblyLiveObjectsTests/Integration/AblyLiveObjectsTests.swift
@@ -4,7 +4,7 @@ import Ably
 @testable import AblyLiveObjectsTesting
 import Testing
 
-@Suite(.tags(.integration))
+@Suite(.tags(.integration), .serialized)
 struct AblyLiveObjectsTests {
     @Test
     func objectsProperty() async throws {
diff --git a/LiveObjects/Tests/AblyLiveObjectsTests/Integration/NumberPrecisionTests.swift b/LiveObjects/Tests/AblyLiveObjectsTests/Integration/NumberPrecisionTests.swift
index bd1833523..7e0675564 100644
--- a/LiveObjects/Tests/AblyLiveObjectsTests/Integration/NumberPrecisionTests.swift
+++ b/LiveObjects/Tests/AblyLiveObjectsTests/Integration/NumberPrecisionTests.swift
@@ -24,7 +24,7 @@ private let impreciselyConvertedValues: [Double] = [
 ///
 /// The MessagePack tests pass either way — a float64 on the wire decodes to a plain `NSNumber` that
 /// already holds the closest `Double` — and are here to pin that down.
-@Suite(.tags(.integration))
+@Suite(.tags(.integration), .serialized)
 struct NumberPrecisionTests {
     @Test(arguments: impreciselyConvertedValues)
     func mapNumberSurvivesJSONRoundTrip(value: Double) async throws {
diff --git a/LiveObjects/Tests/AblyLiveObjectsTests/Integration/ObjectLifetimesTests.swift b/LiveObjects/Tests/AblyLiveObjectsTests/Integration/ObjectLifetimesTests.swift
index 02f11212b..b0dc4beef 100644
--- a/LiveObjects/Tests/AblyLiveObjectsTests/Integration/ObjectLifetimesTests.swift
+++ b/LiveObjects/Tests/AblyLiveObjectsTests/Integration/ObjectLifetimesTests.swift
@@ -3,7 +3,7 @@ import Ably.Private
 @testable import AblyLiveObjectsTesting
 import Testing
 
-@Suite(.tags(.integration))
+@Suite(.tags(.integration), .serialized)
 struct ObjectLifetimesTests {
     @Test("LiveObjects functionality works with only a strong reference to channel's public object property")
     func withStrongReferenceToPublicObjectsProperty() async throws {