diff --git a/Gemfile.lock b/Gemfile.lock
index de90b4a..2cd840f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -108,8 +108,10 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.18)
+    mini_portile2 (2.4.0)
     multi_json (1.3.5)
-    nokogiri (1.5.5)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     polyglot (0.3.3)
     rack (1.4.1)
     rack-cache (1.2)
@@ -169,7 +171,6 @@ GEM
       rubyzip
     sendgrid (1.0.1)
       json
-      json
     sprockets (2.1.3)
       hike (~> 1.2)
       rack (~> 1.0)