diff --git a/Gemfile b/Gemfile
index 0e298a9..0ddf5e3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,4 @@
 # frozen_string_literal: true
 
 source "https://rubygems.org"
-gemspec
-
-gem 'jekyll-seo-tag'
+gemspec
\ No newline at end of file
diff --git a/tale.gemspec b/tale.gemspec
index 4e5e6d0..90f14a2 100644
--- a/tale.gemspec
+++ b/tale.gemspec
@@ -15,6 +15,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "jekyll", "~> 3.6"
   spec.add_runtime_dependency "jekyll-paginate", "~> 1.1"
   spec.add_runtime_dependency "jekyll-feed", "~> 0.10.0"
+  spec.add_runtime_dependency "jekyll-seo-tag", "~> 2.5.0"
 
   spec.add_development_dependency "bundler", "~> 1.12"
   spec.add_development_dependency "rake", "~> 10.0"