diff --git a/Gemfile.lock b/Gemfile.lock
index 5a10b6f..ebe628e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,11 @@ GEM
     i18n (0.5.0)
     json_pure (1.5.1)
     mime-types (1.16)
-    nokogiri (1.4.4)
+    mini_portile2 (2.6.1)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
+    racc (1.5.2)
     rack (1.2.2)
     rack-mount (0.6.13)
       rack (>= 1.0.0)