diff --git a/Gemfile.lock b/Gemfile.lock
index 610cc81..c2504e0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,14 +109,14 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.7.1)
+    mini_portile2 (2.8.0)
     minitest (5.10.2)
     multi_json (1.12.1)
     multi_test (0.1.2)
     multi_xml (0.6.0)
     nio4r (2.5.8)
-    nokogiri (1.13.1)
-      mini_portile2 (~> 2.7.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     public_suffix (4.0.6)
     puma (4.3.11)