diff --git a/Gemfile b/Gemfile
index b97184e80..db76cf281 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,6 @@ gem 'hashie-forbidden_attributes', '0.1.1'
 gem 'SyslogLogger', '2.0', require: 'syslog/logger'
 gem 'rest-client'
 gem 'parallel'
-gem 'rest-client'
 
 # load env
 gem 'figaro', '1.1.1'
@@ -34,7 +33,7 @@ gem 'rails-settings-cached',     '0.4.1' # for settings
 
 # html-xml
 gem 'haml-rails', '0.9.0' # haml for views
-gem 'nokogiri',   '1.6.7.2' # For XML parsing
+gem 'nokogiri',   '1.6.8' # For XML parsing
 
 # style
 gem 'sass-rails',     '5.0.3'   # sass style
diff --git a/Gemfile.lock b/Gemfile.lock
index 5997dc703..e5c118701 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -325,7 +325,7 @@ GEM
     mina (0.3.1)
       open4 (~> 1.3.4)
       rake
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
     minitest (5.8.4)
     monetize (1.1.0)
       money (~> 6.5.0)
@@ -341,8 +341,9 @@ GEM
     nenv (0.2.0)
     netrc (0.11.0)
     newrelic_rpm (3.12.0.288)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
     nori (2.6.0)
     notiffany (0.0.7)
       nenv (~> 0.1)
@@ -358,6 +359,7 @@ GEM
     phantomjs (1.9.8.0)
     phantomjs-binaries (1.9.2.4)
       sys-uname (= 0.9.0)
+    pkg-config (1.1.7)
     poltergeist (1.6.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
@@ -629,7 +631,7 @@ DEPENDENCIES
   mina (= 0.3.1)
   money-rails (= 1.4.1)
   newrelic_rpm (= 3.12.0.288)
-  nokogiri (= 1.6.7.2)
+  nokogiri (= 1.6.8)
   nprogress-rails (= 0.1.6.7)
   paper_trail!
   parallel