diff --git a/src/Workspaces/CoreTestUtilities/UseExportProviderAttribute.cs b/src/Workspaces/CoreTestUtilities/UseExportProviderAttribute.cs
index a22e3ba7cc6614e2a5c636c4cc3ee05779944e6e..f3426de83624970c21be237146065110689c29de 100644
--- a/src/Workspaces/CoreTestUtilities/UseExportProviderAttribute.cs
+++ b/src/Workspaces/CoreTestUtilities/UseExportProviderAttribute.cs
@@ -50,7 +50,7 @@ public sealed class UseExportProviderAttribute : BeforeAfterTestAttribute
         /// to completion. If this timeout is exceeded by the asynchronous operations running after a test completes,
         /// the test is failed.
         /// </summary>
-        private static readonly TimeSpan CleanupTimeout = TimeSpan.FromSeconds(15);
+        private static readonly TimeSpan CleanupTimeout = TimeSpan.FromMinutes(1);
 
         // Cache the export provider factory for RoslynServices.RemoteHostAssemblies
         private static readonly Lazy<IExportProviderFactory> s_remoteHostExportProviderFactory = new Lazy<IExportProviderFactory>(