diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 69b37f7..f9b0ed8 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -71,7 +71,7 @@
       typhoeus (~> 0.7)
     html-pipeline (2.6.0)
       activesupport (>= 2)
-      nokogiri (>= 1.4)
+      nokogiri (>= 1.5.4)
     i18n (0.8.6)
     jekyll (3.4.5)
       addressable (~> 2.4)