diff --git a/Gemfile.lock b/Gemfile.lock
index c099ab4..9f9fe89 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,12 +39,16 @@ GEM
       multi_json (~> 1.0)
       multi_xml
     i18n (0.6.0)
+    mini_portile2 (2.8.0)
     multi_json (1.3.6)
     multi_xml (0.4.4)
-    nokogiri (1.5.4)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     notifier (0.2.1)
     pygments.rb (0.2.12)
       rubypython (~> 0.5.3)
+    racc (1.6.0)
     rake (0.9.2.2)
     rdiscount (1.6.8)
     rubypython (0.5.3)