diff --git a/Gemfile b/Gemfile
index bc9e75364..8003f5a2b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source "https://rubygems.org/"
 # DEVMACHINE: bundle install
 # PRODUCTION: bundle install --deployment --without dev
 
-gem 'addressable', '2.8.1'
+gem 'addressable', '2.8.4'
 gem 'rack', '1.4.5'
 gem 'yajl-ruby', '1.4.3'
 gem 'thin', '1.5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index e6a9409b9..4aad6ca64 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.1)
+    addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
     amazon-ec2 (0.9.17)
       xml-simple (>= 1.0.12)
@@ -94,7 +94,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  addressable (= 2.8.1)
+  addressable (= 2.8.4)
   annoy (= 0.5.6)
   bcrypt-ruby (= 3.0.0)
   encryptor (= 3.0.0)