diff --git a/Gemfile.lock b/Gemfile.lock
index 2a79ae7..f1fef43 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,12 +87,13 @@ 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 (5.10.2)
     multi_json (1.12.1)
     nio4r (2.1.0)
-    nokogiri (1.7.2)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (0.20.0)
     pry (0.10.4)
       coderay (~> 1.1.0)
@@ -106,6 +107,7 @@ GEM
       multi_json (~> 1.0)
       pusher-signature (~> 0.1.8)
     pusher-signature (0.1.8)
+    racc (1.6.0)
     rack (2.0.3)
     rack-test (0.6.3)
       rack (>= 1.0)