diff --git a/base/Dockerfile b/base/Dockerfile
index 4d07414..48c1c4c 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -5,6 +5,6 @@ ENV PYTHONUNBUFFERED=1
 WORKDIR /app
 COPY app .
 RUN pip install --no-cache-dir -r requirements.txt
-EXPOSE 5123/tcp
 
+EXPOSE 5123
 CMD ["python", "./app.py"]