diff --git a/librarix.gemspec b/librarix.gemspec
index ae3b31b..ebf475c 100644
--- a/librarix.gemspec
+++ b/librarix.gemspec
@@ -18,13 +18,13 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "sinatra", '~> 1.4'
-  spec.add_dependency "sinatra-contrib", '~> 1.4'
+  spec.add_dependency "sinatra", '~> 2.0'
+  spec.add_dependency "sinatra-contrib", '~> 2.0'
   spec.add_dependency "slim", '~> 3.0'
   spec.add_dependency "redis", '~> 3.2'
   spec.add_dependency "themoviedb", '~> 0.1'
 
-  spec.add_development_dependency "bundler", "~> 1.7"
+  spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "sass", "~> 3.4"
 end