diff --git a/qasim.gemspec b/qasim.gemspec
index d8dcda0..4afa4c7 100644
--- a/qasim.gemspec
+++ b/qasim.gemspec
@@ -27,8 +27,8 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.5"
-  spec.add_development_dependency "rake", "~> 10.4.2"
+  spec.add_development_dependency "bundler"
+  spec.add_development_dependency "rake"
   spec.add_development_dependency "minitest", "~> 5.7.0"
   spec.add_development_dependency "minitest-reporters"
   spec.add_development_dependency "pry", "~> 0.10.1"