subspace.gemspec in subspace-2.3.1 vs subspace.gemspec in subspace-2.3.2

@@ -25,10 +25,10 @@
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.12"
+  spec.add_development_dependency "bundler", "~> 2.1"
   spec.add_development_dependency "rake", "~> 12.3.3"
   spec.add_development_dependency "rspec", "~> 3.0"
 
   spec.add_runtime_dependency "commander", "~>4.2"
   spec.add_runtime_dependency "figaro", "~>1.0"