diff --git a/OliverBooth.Blog/Program.cs b/OliverBooth.Blog/Program.cs
index 1cc5c43..bca4124 100644
--- a/OliverBooth.Blog/Program.cs
+++ b/OliverBooth.Blog/Program.cs
@@ -14,7 +14,7 @@ builder.Services.AddSingleton<IUserService, UserService>();
 builder.Services.AddRazorPages().AddRazorRuntimeCompilation();
 builder.Services.AddControllersWithViews();
 
-builder.WebHost.AddCertificateFromEnvironment(2846, 5050);
+builder.WebHost.AddCertificateFromEnvironment(2856, 5050);
 
 WebApplication app = builder.Build();