diff --git a/Gemfile b/Gemfile
index 08372f9726..b09a31e593 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 # A sample Gemfile
 source "https://rubygems.org"
 
-gem 'jekyll', '>= 4.0.0'
+gem 'jekyll', '>= 3.9.0'
 gem 'jekyll-assets', '>= 3.0.12'