diff --git a/Gemfile.lock b/Gemfile.lock
index b5516f8..72edf9f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,9 +96,9 @@ GEM
     mini_portile (0.6.2)
     minitest (5.5.1)
     net-dns (0.8.0)
-    nokogiri (1.6.6.2)
+    nokogiri (1.6.6.4)
       mini_portile (~> 0.6.0)
-    nokogiri (1.6.6.2-x64-mingw32)
+    nokogiri (1.6.6.4-x64-mingw32)
       mini_portile (~> 0.6.0)
     parslet (1.5.0)
       blankslate (~> 2.0)