diff --git a/pliny.gemspec b/pliny.gemspec
index c159070a..605b422f 100644
--- a/pliny.gemspec
+++ b/pliny.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |gem|
   gem.add_dependency "sinatra",        ">= 1.4", "< 3.0"
   gem.add_dependency "http_accept",    "~> 0.1",  ">= 0.1.5"
   gem.add_dependency "sinatra-router", "~> 0.2",  ">= 0.2.4"
-  gem.add_dependency "thor",           "~> 1.0", "< 2.0"
+  gem.add_dependency "thor",           ">= 0.19", "< 2.0"
 
   gem.add_development_dependency "rake",              "~> 13.0"
   gem.add_development_dependency "rack-test",         "~> 1.1.0"