diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 457c1645fb93809c250590bfcd432f0e6d6537e6..f1cbbb0d433015c3bb0ccbfb7aaf08770a7b2d81 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -212,7 +212,7 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.0)
     multipart-post (2.1.1)
-    nokogiri (1.10.8)
+    nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.2)
       nokogiri (~> 1.8, >= 1.8.4)