diff --git a/.ruby-version b/.ruby-version
index 276cbf9e..2bf1c1cc 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.3.0
+2.3.1
diff --git a/.travis.yml b/.travis.yml
index 9b0da33e..2d9b61ed 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: ruby
 rvm:
-  - 2.3.0
+  - 2.3.1
 before_install: sudo apt-get install vim-gtk
 before_script:
   - "export DISPLAY=:99.0"
diff --git a/Gemfile b/Gemfile
index 117bfa1c..407743b6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '2.3.0'
+ruby '2.3.1'
 
 gem 'rspec'
 gem 'vimrunner'
diff --git a/Gemfile.lock b/Gemfile.lock
index d351eca1..f1f0bfa1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
       rspec-core (~> 3.5.0)
       rspec-expectations (~> 3.5.0)
       rspec-mocks (~> 3.5.0)
-    rspec-core (3.5.2)
+    rspec-core (3.5.3)
       rspec-support (~> 3.5.0)
     rspec-expectations (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
@@ -24,5 +24,8 @@ DEPENDENCIES
   rspec
   vimrunner
 
+RUBY VERSION
+   ruby 2.3.1p112
+
 BUNDLED WITH
    1.12.5