diff --git a/Gemfile.lock b/Gemfile.lock
index 36b137e..adef5ef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,11 @@ GEM
       rake
       rdoc
     json (1.6.5)
-    nokogiri (1.5.2)
+    mini_portile2 (2.8.0)
+    nokogiri (1.13.5)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    racc (1.6.0)
     rake (0.9.2.2)
     rdoc (3.12)
       json (~> 1.4)