diff --git a/Gemfile.lock b/Gemfile.lock
index d77592a..735e67d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,17 +58,19 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.3)
     mysql2 (0.4.9)
-    nokogiri (1.6.8.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
     rabl (0.11.6)
       activesupport (>= 2.3.14)
+    racc (1.6.0)
     rack (1.6.8)
     rack-test (0.6.3)
       rack (>= 1.0)