diff --git a/Gemfile.lock b/Gemfile.lock
index b74d7b7..6fda0b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,13 +67,15 @@ 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)
     minitest (5.10.1)
     nio4r (2.0.0)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (0.20.0)
     puma (3.8.2)
+    racc (1.6.0)
     rack (2.0.2)
     rack-cors (0.4.1)
     rack-test (0.6.3)