diff --git a/Dockerfile b/Dockerfile
index 56aeade15..45601c876 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@
 #
 # Author: muxator
 
-FROM node:10-buster
+FROM node:10-buster-slim
 LABEL maintainer="Etherpad team, https://github.com/ether/etherpad-lite"
 
 # plugins to install while building the container. By default no plugins are