diff --git a/Dockerfile b/Dockerfile
index 11c1d41aa..04e19bea3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.5.1
+FROM ruby:2.5.3
 RUN apt-get update -qq && apt-get upgrade -y
 RUN apt-get install -y build-essential nodejs && apt-get clean
 RUN gem install foreman