diff --git a/just-the-docs.gemspec b/just-the-docs.gemspec
index 4be9738..b62e286 100644
--- a/just-the-docs.gemspec
+++ b/just-the-docs.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency "jekyll", "~> 3.8.5"
   spec.add_runtime_dependency "jekyll-seo-tag", "~> 2.0"
-  spec.add_runtime_dependency "rake", "~> 12.3.1"
+  spec.add_runtime_dependency "rake", ">= 12.3.1", "< 13.1.0"
 
   spec.add_development_dependency "bundler", "~> 2.0.1"
 end