diff --git a/platform/Dockerfile b/platform/Dockerfile
index 6fa328a..e770c55 100644
--- a/platform/Dockerfile
+++ b/platform/Dockerfile
@@ -4,6 +4,7 @@ WORKDIR /app
 
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install flask
 
 COPY . .