diff --git a/Gemfile b/Gemfile
index a70cb9c..43a5712 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '2.3.0'
+ruby '2.4.4'
 
 gem 'bootsnap', require: false
 gem 'devise'