Upgraded Ruby to 2.5.0

.ruby-version

@@ -1 +1 @@
-2.4.3
+2.5.0

.travis.yml

@@ -1,6 +1,6 @@
 language: ruby
 rvm:
-  - "2.4.3"
+  - "2.5.0"
 
 before_install:
   - "phantomjs --version"

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.4.3
+FROM ruby:2.5.0
 RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
 RUN mkdir /myapp
 WORKDIR /myapp

Gemfile

@@ -4,7 +4,7 @@ source "https://rubygems.org"
 #don't upgrade
 gem "rails", "5.1.5"
 
-ruby "2.4.3"
+ruby "2.5.0"
 
 gem "aruba"
 gem "bcrypt"

Gemfile.lock

@@ -370,7 +370,7 @@ DEPENDENCIES
   unicorn
 
 RUBY VERSION
-   ruby 2.4.3p205
+   ruby 2.5.0p0
 
 BUNDLED WITH
    1.16.1

README.md

@@ -11,7 +11,7 @@ If you are looking for support or troubleshooting assistance, please visit our [
 To begin, install the Ruby Version Manager (RVM):
 
 ```bash
-$ curl -L https://get.rvm.io | bash -s stable --autolibs=3 --ruby=2.4.3
+$ curl -L https://get.rvm.io | bash -s stable --autolibs=3 --ruby=2.5.0
 ```
 
 After installing the package, clone this repo: