diff --git a/spielbash.gemspec b/spielbash.gemspec
index c9a1d4d..09a3ba6 100644
--- a/spielbash.gemspec
+++ b/spielbash.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'gli', '~> 2.17'
   spec.add_runtime_dependency 'childprocess', '~> 0.9'
 
-  spec.add_development_dependency 'bundler', '~> 1.16'
+  spec.add_development_dependency 'bundler', '~> 2.2'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', '~> 3.5'
   spec.add_development_dependency 'rspec_junit_formatter', '~> 0.2'