diff --git a/jekyll-theme-basically-basic.gemspec b/jekyll-theme-basically-basic.gemspec
index 6aa1f2c..72bd3f0 100644
--- a/jekyll-theme-basically-basic.gemspec
+++ b/jekyll-theme-basically-basic.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "jekyll", "~> 3.3"
   spec.add_runtime_dependency "jekyll-feed", "~> 0.8"
   spec.add_runtime_dependency "jekyll-paginate", "~> 1.1"
-  spec.add_runtime_dependency "jekyll-seo-tag", "~> 2.1"
+  spec.add_runtime_dependency "jekyll-seo-tag", "~> 2.4", ">= 2.3"
   spec.add_runtime_dependency "jekyll-sitemap", "~> 1.0"
 
   spec.add_development_dependency "bundler", "~> 1.12"