diff --git a/Dockerfile b/Dockerfile
index 143bf12d5d99ccbb74bd7166bc61308fa637672c..15ce6baef3675761a2d01e071a1a682790ecfd73 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
 FROM python:3.6-alpine
-RUN pip install elasticsearch-curator==5.4.1
+RUN pip install --no-cache-dir elasticsearch-curator==5.4.1
 CMD /usr/sbin/crond -f