diff --git a/Gemfile.lock b/Gemfile.lock
index 25a43828..57dc2853 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -300,7 +300,7 @@ GEM
     nenv (0.3.0)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.8.3)
+    nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
     notiffany (0.1.1)
       nenv (~> 0.1)