diff --git a/keyserver/src/keyserver.js b/keyserver/src/keyserver.js
--- a/keyserver/src/keyserver.js
+++ b/keyserver/src/keyserver.js
@@ -15,7 +15,7 @@
 
 import { migrate } from './database/migrations.js';
 import { jsonEndpoints } from './endpoints.js';
-import { logEndpointMetrics } from './middleware/endpoint_profiling.js';
+import { logEndpointMetrics } from './middleware/endpoint-profiling.js';
 import { emailSubscriptionResponder } from './responders/comm-landing-responders.js';
 import {
   jsonHandler,
diff --git a/keyserver/src/middleware/endpoint_profiling.js b/keyserver/src/middleware/endpoint-profiling.js
rename from keyserver/src/middleware/endpoint_profiling.js
rename to keyserver/src/middleware/endpoint-profiling.js