diff --git a/Gemfile b/Gemfile
index af1ac23..92942c3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,9 +9,9 @@ source "https://rubygems.org"
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
 gem "jekyll", "~> 3.9.0"
-gem "kramdown", ">= 2.3.0"
+gem "kramdown", ">= 2.5.1"
 gem "kramdown-parser-gfm"
-gem "nokogiri", ">= 1.14.3"
+gem "nokogiri", ">= 1.16.8"
 
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
 gem "minima", "~> 2.0"