diff --git a/src/DigitalData.Auth.API/Services/DIExtensions.cs b/src/DigitalData.Auth.API/Services/DIExtensions.cs
index 03c9702..88b8ac7 100644
--- a/src/DigitalData.Auth.API/Services/DIExtensions.cs
+++ b/src/DigitalData.Auth.API/Services/DIExtensions.cs
@@ -22,6 +22,7 @@ public static class DIExtensions
         services.AddSingleton(Options.Create(consumers));
         services.AddSingleton<IConsumerService, ConfiguredConsumerService>();
         services.AddSingleton<INotifier, Notifier>();
+        services.AddMemoryCache();
         return services;
     }
 }
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