diff --git a/test/signalrclient-e2e-tests/test_utils.cpp b/test/signalrclient-e2e-tests/test_utils.cpp
index 3b8b0a1..3e533bb 100644
--- a/test/signalrclient-e2e-tests/test_utils.cpp
+++ b/test/signalrclient-e2e-tests/test_utils.cpp
@@ -13,7 +13,7 @@ utility::string_t url;
 
 void get_url(int argc, utility::char_t* argv[])
 {
-    url = U("http://localhost:8081/");
+    url = U("http://localhost:42524/");
 
     for (int i = 0; i < argc; ++i)
     {
diff --git a/test/signalrclient-testhost/Program.cs b/test/signalrclient-testhost/Program.cs
index f30ce67..a121b0c 100644
--- a/test/signalrclient-testhost/Program.cs
+++ b/test/signalrclient-testhost/Program.cs
@@ -12,9 +12,9 @@ namespace SelfHost
     {
         static void Main(string[] args)
         {
-            using (WebApp.Start<Startup>("http://localhost:8081"))
+            using (WebApp.Start<Startup>("http://localhost:42524"))
             {
-                Console.WriteLine("Server running at http://localhost:8081/");
+                Console.WriteLine("Server running at http://localhost:42524/");
                 Thread.Sleep(args.Length > 0 ? int.Parse(args[0]) : Timeout.Infinite);
             }
         }