diff --git a/ElementX.xcodeproj/project.pbxproj b/ElementX.xcodeproj/project.pbxproj
index 7e8835a96..b16028be0 100644
--- a/ElementX.xcodeproj/project.pbxproj
+++ b/ElementX.xcodeproj/project.pbxproj
@@ -9602,6 +9602,9 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "${BASE_BUNDLE_IDENTIFIER}.preview.tests";
 				PRODUCT_NAME = PreviewTests;
 				SDKROOT = iphoneos;
+				SWIFT_APPROACHABLE_CONCURRENCY = YES;
+				SWIFT_DEFAULT_ACTOR_ISOLATION = MainActor;
+				SWIFT_VERSION = 6.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ElementX.app/ElementX";
 			};
@@ -10064,6 +10067,9 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "${BASE_BUNDLE_IDENTIFIER}.preview.tests";
 				PRODUCT_NAME = PreviewTests;
 				SDKROOT = iphoneos;
+				SWIFT_APPROACHABLE_CONCURRENCY = YES;
+				SWIFT_DEFAULT_ACTOR_ISOLATION = MainActor;
+				SWIFT_VERSION = 6.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/ElementX.app/ElementX";
 			};
diff --git a/PreviewTests/Sources/PreviewTests.swift b/PreviewTests/Sources/PreviewTests.swift
index 742398507..37572cee1 100644
--- a/PreviewTests/Sources/PreviewTests.swift
+++ b/PreviewTests/Sources/PreviewTests.swift
@@ -12,7 +12,6 @@ import Combine
 import SwiftUI
 import Testing
 
-@MainActor
 struct PreviewTests {
     private struct SnapshotDevice {
         let name: String
diff --git a/PreviewTests/SupportingFiles/target.yml b/PreviewTests/SupportingFiles/target.yml
index ef1eb282c..a82a6abe5 100644
--- a/PreviewTests/SupportingFiles/target.yml
+++ b/PreviewTests/SupportingFiles/target.yml
@@ -41,6 +41,9 @@ targets:
       base:
         PRODUCT_NAME: PreviewTests
         PRODUCT_BUNDLE_IDENTIFIER: ${BASE_BUNDLE_IDENTIFIER}.preview.tests
+        SWIFT_VERSION: 6.2
+        SWIFT_APPROACHABLE_CONCURRENCY: YES
+        SWIFT_DEFAULT_ACTOR_ISOLATION: MainActor
       debug:
       release: