diff --git a/Gemfile.lock b/Gemfile.lock
index 6874059..ee9a934 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,13 +86,14 @@ GEM
       treetop (~> 1.4.8)
     method_source (0.8.2)
     mime-types (1.25)
-    mini_portile (0.5.2)
+    mini_portile2 (2.8.0)
     minitest (4.7.5)
     multi_json (1.8.0)
     multi_xml (0.5.5)
     nested_form (0.3.2)
-    nokogiri (1.6.1)
-      mini_portile (~> 0.5.0)
+    nokogiri (1.13.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     orm_adapter (0.4.0)
     pg (0.17.0)
     polyamorous (0.6.4)
@@ -104,6 +105,7 @@ GEM
       slop (~> 3.4)
     pry-rails (0.3.2)
       pry (>= 0.9.10)
+    racc (1.6.0)
     rack (1.5.2)
     rack-pjax (0.7.0)
       nokogiri (~> 1.5)