diff --git a/Dockerfile b/Dockerfile
index a6e9c301..f4e2923e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,7 +33,8 @@ RUN apt-get update && apt-get install -y \
 	dumb-init \
 	vim \
 	curl \
-	wget
+	wget \
+  && rm -rf /var/lib/apt/lists/*
 
 RUN locale-gen en_US.UTF-8
 # We cannot use update-locale because docker will not use the env variables