diff --git a/Dockerfile b/Dockerfile
index b8e82a06b..47d677a69 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.4.1
+FROM ruby:2.4.3
 MAINTAINER BioSistemika <info@biosistemika.com>
 
 # additional dependecies
diff --git a/Dockerfile.production b/Dockerfile.production
index 071d80135..f4c51a94f 100644
--- a/Dockerfile.production
+++ b/Dockerfile.production
@@ -1,4 +1,4 @@
-FROM ruby:2.4.1
+FROM ruby:2.4.3
 MAINTAINER BioSistemika <info@biosistemika.com>
 
 # additional dependecies
diff --git a/Gemfile b/Gemfile
index e25ed4050..c3df3a6f2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'http://rubygems.org'
 
-ruby '2.4.1'
+ruby '2.4.3'
 
 gem 'rails', '5.1.1'
 gem 'webpacker', '~> 2.0'