diff --git a/Gemfile b/Gemfile
index 4bbfdef..71a560d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ gem 'rails', '3.2.16'
 
 gem 'rake', '10.5.0'
 gem 'rack-cache', '1.7.1'
-gem 'nokogiri', '1.6.8'
+gem 'nokogiri', '1.13.6'
 gem 'websocket', '1.2.4'
 # sgem 'rb-inotify', '0.9.10'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 246cf01..68cc1ad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,14 +85,13 @@ GEM
       treetop (~> 1.4.8)
     method_source (0.8.2)
     mime-types (1.25.1)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     multi_json (1.13.1)
-    nokogiri (1.6.8)
-      mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pg (0.12.2)
-    pkg-config (1.1.9)
     polyglot (0.3.5)
     pry (0.10.4)
       coderay (~> 1.1.0)
@@ -101,6 +100,7 @@ GEM
     pry-debugger (0.2.3)
       debugger (~> 1.3)
       pry (>= 0.9.10, < 0.11.0)
+    racc (1.6.0)
     rack (1.4.7)
     rack-cache (1.7.1)
       rack (>= 0.4)
@@ -191,7 +191,7 @@ DEPENDENCIES
   haml (= 4.0.7)
   jquery-rails (= 2.0.2)
   libv8 (= 3.16.14.3)
-  nokogiri (= 1.6.8)
+  nokogiri (= 1.13.6)
   pg (= 0.12.2)
   pry-debugger
   rack-cache (= 1.7.1)