diff --git a/Gemfile b/Gemfile
index f0d8eca..1613f81 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,5 @@
 source "https://rubygems.org"
 
-ruby "2.3.3"
-
 # Bundle edge Rails instead: gem "rails", github: "rails/rails"
 gem "rails", "~> 4.2.5.1"
 # Use postgresql as the database for Active Record
diff --git a/Gemfile.lock b/Gemfile.lock
index 562af4b..91b648f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -413,8 +413,5 @@ DEPENDENCIES
   web-console (~> 2.0)
   webmock
 
-RUBY VERSION
-   ruby 2.3.3p222
-
 BUNDLED WITH
-   1.15.1
+   1.16.6