diff --git a/Dockerfile b/Dockerfile
index d95c1ac..cc56a20 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN npm run generate
 FROM denoland/deno:latest AS s-build
 WORKDIR /
 COPY server server
-RUN deno bundle server/app.ts /app.js
+RUN deno bundle --unstable server/app.ts /app.js
 
 FROM denoland/deno:latest
 WORKDIR /
diff --git a/server/data_web.ts b/server/data_web.ts
index 458e5d0..85dab53 100644
--- a/server/data_web.ts
+++ b/server/data_web.ts
@@ -255,7 +255,7 @@ export const router = new oak.Router()
 
     /* Create live class if doesn't exist - no concept of starting a class */
     if (!live_class && class_id) {
-      const rooms = {
+      const rooms: Record<string, any> = {
         Lobby: {
           studentPublicState: '',
           teacherPublicState: '',