diff --git a/puppeteer-ruby.gemspec b/puppeteer-ruby.gemspec
index 2ccb0142..bcaca326 100644
--- a/puppeteer-ruby.gemspec
+++ b/puppeteer-ruby.gemspec
@@ -24,7 +24,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'concurrent-ruby', '~> 1.1.0'
   spec.add_dependency 'websocket-driver', '>= 0.6.0'
   spec.add_dependency 'mime-types', '>= 3.0'
-  spec.add_development_dependency 'bundler', '~> 2.2.3'
+  spec.add_development_dependency 'bundler', '~> 2.3.4'
   spec.add_development_dependency 'chunky_png'
   spec.add_development_dependency 'dry-inflector'
   spec.add_development_dependency 'pry-byebug'