matplotlib.gemspec in matplotlib-1.0.0 vs matplotlib.gemspec in matplotlib-1.1.0

@@ -21,10 +21,10 @@
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_dependency "pycall", ">= 1.0.0"
 
-  spec.add_development_dependency "bundler", "~> 1.13"
-  spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "rspec", "~> 3.0"
+  spec.add_development_dependency "bundler", ">= 1.17.2"
+  spec.add_development_dependency "rake"
+  spec.add_development_dependency "rspec"
   spec.add_development_dependency "pry"
 end