diff --git a/Gemfile b/Gemfile
index bbc46ca..cd7b2ef 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,14 +8,14 @@ source "https://rubygems.org"
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
 gem "jekyll", "~> 4.2"
-gem "sass-embedded"
+gem "sass-embedded", "~> 1.55"
 
 group :jekyll_plugins do
   gem "jekyll-feed", "~> 0.13"
   gem "jekyll-sass-converter", "~> 2.2.0"
-  gem "jektex"
-  gem 'jekyll-titles-from-headings'
-  gem 'jemoji'
+  gem "jektex", "~> 0.08"
+  gem 'jekyll-titles-from-headings', "~> 0.5"
+  gem 'jemoji', "~> 0.12"
 end
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem