marshmallow.gemspec in marshmallow-0.2.0 vs marshmallow.gemspec in marshmallow-0.3.0

@@ -28,10 +28,11 @@
   end
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.13"
-  spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "minitest", "~> 5.0"
-  spec.add_development_dependency "CFPropertyList", ">= 2.0.0"
+  spec.add_development_dependency "bundler", ">= 2.2.33"
+  spec.add_development_dependency "rake", ">= 11.2.2"
+  spec.add_development_dependency "minitest", "5.18.1"
+  spec.add_development_dependency "CFPropertyList", ">= 3.0.6"
+  
 end