diff --git a/license_finder.gemspec b/license_finder.gemspec
index 419a3a6d..071708fe 100644
--- a/license_finder.gemspec
+++ b/license_finder.gemspec
@@ -52,7 +52,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'xml-simple', '~> 1.1.9'
 
   s.add_development_dependency 'addressable', '2.8.6'
-  s.add_development_dependency 'capybara', '~> 3.39.2'
+  s.add_development_dependency 'capybara', '~> 3.40.0'
   s.add_development_dependency 'cocoapods', '>= 1.0.0' if RUBY_PLATFORM.match?(/darwin/)
   s.add_development_dependency 'e2mmap', '~> 0.1.0'
   s.add_development_dependency 'fakefs', '~> 2.5.0'