diff --git a/Gemfile.lock b/Gemfile.lock
index c10224c..4b9de8a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,15 +98,17 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.1)
     moving_average (0.1.1)
     multi_json (1.12.1)
     netrc (0.11.0)
     nio4r (2.0.0)
-    nokogiri (1.7.0.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     puma (3.7.1)
+    racc (1.6.0)
     rack (2.0.1)
     rack-test (0.6.3)
       rack (>= 1.0)