diff --git a/Dockerfile b/Dockerfile
index ede8fd4..adb5862 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ WORKDIR /app
 
 RUN apt-get update  \
     && apt-get install -y curl \
+    && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt .