diff --git a/Gemfile.lock b/Gemfile.lock
index e34b107..33a9dde 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
     mini_magick (4.5.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     molinillo (0.6.6)
     multi_json (1.13.1)
@@ -156,13 +156,15 @@ GEM
     nap (1.1.0)
     naturally (2.2.0)
     netrc (0.11.0)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     os (1.0.0)
     osx_keychain (1.0.2)
       RubyInline (~> 3)
     plist (3.4.0)
     public_suffix (2.0.5)
+    racc (1.6.0)
     representable (3.0.4)
       declarative (< 0.1.0)
       declarative-option (< 0.2.0)