diff --git a/Gemfile.lock b/Gemfile.lock
index 6f0d1c8..62653db 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,9 +22,13 @@ GEM
       multi_xml
     i18n (0.6.0)
     json (1.6.0)
+    mini_portile2 (2.5.1)
     multi_json (1.0.3)
     multi_xml (0.4.0)
-    nokogiri (1.5.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    racc (1.5.2)
     rake (0.9.2)
     rspec (2.6.0)
       rspec-core (~> 2.6.0)