diff --git a/.ruby-version b/.ruby-version
index 2bf1c1cc..00355e29 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.3.1
+2.3.7
diff --git a/Dockerfile b/Dockerfile
index a6834d32..1a06a983 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.3.1
+FROM ruby:2.3.7
 RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
 ENV PHANTOM_JS=2.1.1
 RUN  apt-get update && \
diff --git a/Gemfile b/Gemfile
index 52af7f4a..4f376892 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '2.3.1'
+ruby '2.3.7'
 
 gem 'rails', '5.1.4'
 gem 'pg'
diff --git a/Gemfile.lock b/Gemfile.lock
index d03c29b1..f42691e1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -407,7 +407,7 @@ DEPENDENCIES
   webmock (~> 1.18.0)
 
 RUBY VERSION
-   ruby 2.3.1p112
+   ruby 2.3.7p456
 
 BUNDLED WITH
    1.15.3