diff --git a/Gemfile.lock b/Gemfile.lock
index 3831228..43092f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,7 +149,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     mini_racer (0.3.1)
       libv8 (~> 8.4.255)
     minitest (5.10.3)
@@ -161,8 +161,9 @@ GEM
     nested_form (0.3.2)
     netrc (0.11.0)
     nio4r (2.1.0)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oauth (0.5.3)
     oauth2 (1.4.0)
       faraday (>= 0.8, < 0.13)
@@ -187,6 +188,7 @@ GEM
     pg (0.21.0)
     popper_js (1.14.5)
     puma (3.10.0)
+    racc (1.6.0)
     rack (2.0.6)
     rack-pjax (1.0.0)
       nokogiri (~> 1.5)