diff --git a/rubberduckvba.Server/Program.cs b/rubberduckvba.Server/Program.cs
index 11351c4..1b9c9be 100644
--- a/rubberduckvba.Server/Program.cs
+++ b/rubberduckvba.Server/Program.cs
@@ -163,6 +163,7 @@ private static void ConfigureServices(IServiceCollection services)
         services.AddSingleton<ConfigurationOptions>();
         services.AddSingleton<IMarkdownFormattingService, MarkdownFormattingService>();
         services.AddSingleton<ISyntaxHighlighterService, SyntaxHighlighterService>();
+        services.AddSingleton<WebhookSignatureValidationService>();
 
         services.AddSingleton<IRubberduckDbService, RubberduckDbService>();
         services.AddSingleton<TagServices>();