diff --git a/secretariat.gemspec b/secretariat.gemspec
index c974419..241f01a 100644
--- a/secretariat.gemspec
+++ b/secretariat.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |s|
 
   s.add_runtime_dependency 'nokogiri', '~> 1.10'
   s.add_runtime_dependency 'bigdecimal', '~> 3.1'
-  s.add_runtime_dependency 'mime-types', '~> 3.6.0'
+  s.add_runtime_dependency 'mime-types', '~> 3.6'
 
   s.add_development_dependency 'minitest', '~> 5.13'
   s.add_development_dependency 'rake', '~> 13.0'