diff --git a/docs/Gemfile b/docs/Gemfile
index 6ac80f68b..78232a780 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 ruby RUBY_VERSION
 
-gem "jekyll", "3.4.3"
+gem "jekyll", "3.6.3"
 
 # to use GitHub Pages
 # gem "github-pages", group: :jekyll_plugins