diff --git a/src/index.ts b/src/index.ts
index a62283d2a..709b1f1f2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -317,6 +317,18 @@ export async function createServer() {
     }
   })
 
+  server.route({
+    method: 'GET',
+    path: '/handlebars.js',
+    handler: handlebarsHandler,
+    options: {
+      auth: false,
+      tags: ['api'],
+      description:
+        'Serves custom handlebar helper functions as JS to be used in certificates'
+    }
+  })
+
   server.route({
     method: 'GET',
     path: '/validators.js',