diff --git a/backend/Dockerfile b/backend/Dockerfile
index 9b1b602..804abb1 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -10,6 +10,6 @@ FROM node:14.3.0-alpine
 WORKDIR /app
 COPY --from=builder /app .
 
-EXPOSE 3000
+EXPOSE 3500
 CMD ["npm", "run", "start:prod"]
 
diff --git a/backend/Dockerfile.dev b/backend/Dockerfile.dev
index 5f37230..fef11a0 100644
--- a/backend/Dockerfile.dev
+++ b/backend/Dockerfile.dev
@@ -7,6 +7,6 @@ COPY package-lock.json .
 RUN npm install
 COPY . .
 
-EXPOSE 3000
+EXPOSE 3500
 CMD ["npm", "run", "start:${ENVIRONMENT}"]