diff --git a/.travis.yml b/.travis.yml
index ec654f5a..07bbb18b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ git:
   depth: 10
 
 rvm:
-  - 2.4.2
+  - 2.4.5
 
 bundler_args: --without development --jobs=9 --retry=2 --quiet
 
diff --git a/Gemfile b/Gemfile
index 44975f43..284e1e70 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '2.4.2'
+ruby '2.4.5'
 
 gem 'rails', '4.2.11'