diff --git a/Gemfile.lock b/Gemfile.lock
index 5c5e479..357a1af 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,15 +96,16 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     netrc (0.11.0)
     nio4r (2.3.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oauth2 (1.4.0)
       faraday (>= 0.8, < 0.13)
       jwt (~> 1.0)
@@ -126,6 +127,7 @@ GEM
     pg (1.0.0)
     public_suffix (3.0.2)
     puma (3.11.3)
+    racc (1.6.0)
     rack (2.0.4)
     rack-test (0.8.3)
       rack (>= 1.0, < 3)