diff --git a/lib/logger.gemspec b/lib/logger.gemspec
index 6d7025618b..cc1f8c6e6b 100644
--- a/lib/logger.gemspec
+++ b/lib/logger.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.16"
+  spec.add_development_dependency "bundler", ">= 0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "minitest", "~> 5.0"
 end