diff --git a/src/etapi/spec.js b/src/etapi/spec.ts
similarity index 69%
rename from src/etapi/spec.js
rename to src/etapi/spec.ts
index 83ac93a4b..ed8a555a5 100644
--- a/src/etapi/spec.js
+++ b/src/etapi/spec.ts
@@ -1,10 +1,12 @@
-const fs = require('fs');
-const path = require('path');
+import { Router } from "express";
+
+import fs = require('fs');
+import path = require('path');
 
 const specPath = path.join(__dirname, 'etapi.openapi.yaml');
-let spec = null;
+let spec: any = null;
 
-function register(router) {
+function register(router: Router) {
     router.get('/etapi/etapi.openapi.yaml', (req, res, next) => {
         if (!spec) {
             spec = fs.readFileSync(specPath, 'utf8');
@@ -15,6 +17,6 @@ function register(router) {
     });
 }
 
-module.exports = {
+export = {
     register
 };
diff --git a/src/routes/routes.js b/src/routes/routes.js
index dc330e54f..00c803cb0 100644
--- a/src/routes/routes.js
+++ b/src/routes/routes.js
@@ -68,7 +68,7 @@ const etapiAttributeRoutes = require('../etapi/attributes');
 const etapiBranchRoutes = require('../etapi/branches');
 const etapiNoteRoutes = require('../etapi/notes');
 const etapiSpecialNoteRoutes = require('../etapi/special_notes');
-const etapiSpecRoute = require('../etapi/spec.js');
+const etapiSpecRoute = require('../etapi/spec');
 const etapiBackupRoute = require('../etapi/backup');
 
 const csrfMiddleware = csurf({