diff --git a/WorkflowTesting.podspec b/WorkflowTesting.podspec
index 4782cbca0..878e89bbc 100644
--- a/WorkflowTesting.podspec
+++ b/WorkflowTesting.podspec
@@ -23,8 +23,7 @@ Pod::Spec.new do |s|
   s.test_spec 'Tests' do |test_spec|
     test_spec.source_files = 'swift/WorkflowTesting/Tests/**/*.swift'
     test_spec.framework = 'XCTest'
-    test_spec.library = 'swiftDispatch'
-    test_spec.library = 'swiftFoundation'
+    test_spec.libraries = 'swiftDispatch', 'swiftFoundation', 'swiftos'
   end
-
 end
+
diff --git a/WorkflowUI.podspec b/WorkflowUI.podspec
index 45e3769f9..c186c2499 100644
--- a/WorkflowUI.podspec
+++ b/WorkflowUI.podspec
@@ -21,6 +21,7 @@ Pod::Spec.new do |s|
   s.test_spec 'Tests' do |test_spec|
     test_spec.source_files = 'swift/WorkflowUI/Tests/**/*.swift'
     test_spec.framework = 'XCTest'
+    test_spec.library = 'swiftos'
   end
-
 end
+