diff --git a/Gemfile.lock b/Gemfile.lock
index 73364087..fb9662ba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,18 +70,20 @@ GEM
     mime-types (3.0)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2015.1120)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.8.4)
     multi_json (1.11.2)
     multi_test (0.1.2)
     multipart-post (2.0.0)
     mustache (1.0.3)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pry (0.10.3)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
+    racc (1.6.0)
     rack (1.6.4)
     rack-oauth2 (1.2.2)
       activesupport (>= 2.3)