diff --git a/.ruby-version b/.ruby-version
index 262714f..55bc983 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-2.4.0
+ruby-2.4.1
diff --git a/.travis.yml b/.travis.yml
index 61eaa76..d24dd4d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,5 +4,5 @@ before_install:
 before_script:
   - psql -c 'create database fixer_test;' -U postgres
 rvm:
-  - 2.4.0
+  - 2.4.1
 sudo: false
diff --git a/Dockerfile b/Dockerfile
index d169aca..40925e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.4.0
+FROM ruby:2.4.1
 
 RUN mkdir /app
 WORKDIR /app
diff --git a/Gemfile b/Gemfile
index b79ec53..bb1b9e3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,8 @@
 # frozen_string_literal: true
+
 source 'http://rubygems.org'
 
-ruby '2.4.0'
+ruby '2.4.1'
 
 gem 'fixer'
 gem 'kgio'
diff --git a/Gemfile.lock b/Gemfile.lock
index d381b59..ece0c0b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,7 +73,7 @@ DEPENDENCIES
   unicorn
 
 RUBY VERSION
-   ruby 2.4.0p0
+   ruby 2.4.1p111
 
 BUNDLED WITH
    1.13.7