diff --git a/Dockerfile b/Dockerfile
index dc948a8..a8ffa01 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,6 @@
 FROM python:3.6-alpine3.7
 
 MAINTAINER tainguyenbp
+
+    && rm -rf /var/cache/apk/* \
+    && rm -f /root/.cache