diff --git a/.ruby-version b/.ruby-version
index eca07e4c1..cd57a8b95 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.1.2
+2.1.5
diff --git a/Gemfile b/Gemfile
index 3fed461ad..36da0c2c0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -51,7 +51,7 @@ group :assets do
   # for now as it's easier for new people to install
   gem "therubyracer", "~> 0.12", :platforms => :ruby
   # libv8 is needed by therubyracer and is a bit finicky
-  gem 'libv8', '3.16.14.3'
+  gem 'libv8', '3.16.14.7'
 
   # Another CSS preprocessor, used for Bootstrap overrides
   gem "less", '~>2.5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 06c2b60e0..8a053b509 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -183,7 +183,7 @@ GEM
       less-rails (~> 2.5.0)
     letter_opener (1.2.0)
       launchy (~> 2.2)
-    libv8 (3.16.14.3)
+    libv8 (3.16.14.7)
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
@@ -360,7 +360,7 @@ DEPENDENCIES
   less-rails (~> 2.5.0)
   less-rails-bootstrap (~> 3.2.0)
   letter_opener
-  libv8 (= 3.16.14.3)
+  libv8 (= 3.16.14.7)
   memcachier
   newrelic_rpm
   omniauth