diff --git a/Dockerfile b/Dockerfile
index 1f42ef0..f6e3443 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,5 @@
 FROM debian:stretch
 
-RUN apt-get update && apt-get install -y ca-certificates
-
 ADD ./init.sh /init
 RUN chmod +x /init && apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*