diff --git a/Dockerfile b/Dockerfile
index c1e1968..0c47ab0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
 FROM ubuntu:16.04
 MAINTAINER "vccw-team"
 
+RUN apt-get clean && apt-get update && apt-get install -y locales
 RUN locale-gen en_US.UTF-8
 ENV LANG en_US.UTF-8
 ENV LANGUAGE en_US:en