diff --git a/Gemfile.lock b/Gemfile.lock
index 53253bf..3433f8e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -208,7 +208,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.11.3)
     multipart-post (2.1.1)
-    nokogiri (1.10.3)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     octicons (9.1.1)
       nokogiri (>= 1.6.3.1)