diff --git a/auth0.gemspec b/auth0.gemspec
index d68e0632..8ec5d9c8 100644
--- a/auth0.gemspec
+++ b/auth0.gemspec
@@ -16,10 +16,10 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map { |f| File.basename(f) }
   s.require_paths = ['lib']
 
-  s.add_runtime_dependency 'rest-client', '~> 2.0.0'
-  s.add_runtime_dependency 'jwt', '~> 2.2.0'
-  s.add_runtime_dependency 'zache', '~> 0.12.0'
-  s.add_runtime_dependency 'addressable', '~> 2.8.0'
+  s.add_runtime_dependency 'rest-client', '~> 2.0.2' #2.1.0 has breaking changes
+  s.add_runtime_dependency 'jwt', '~> 2.2'
+  s.add_runtime_dependency 'zache', '~> 0.12'
+  s.add_runtime_dependency 'addressable', '~> 2.8'
 
   s.add_development_dependency 'bundler'
   s.add_development_dependency 'rake', '~> 13.0'
@@ -27,10 +27,10 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'guard-rspec', '~> 4.5' unless ENV['CIRCLECI']
   s.add_development_dependency 'dotenv-rails', '~> 2.0'
   s.add_development_dependency 'pry', '~> 0.10'
-  s.add_development_dependency 'pry-nav', '~> 0.2.4'
+  s.add_development_dependency 'pry-nav', '~> 0.2'
   s.add_development_dependency 'rspec', '~> 3.5'
   s.add_development_dependency 'rack-test', '~> 0.6'
-  s.add_development_dependency 'rack', '~> 2.1.2'
+  s.add_development_dependency 'rack', '~> 2.1'
   s.add_development_dependency 'simplecov', '~> 0.9'
   s.add_development_dependency 'faker', '~> 2.0'
   s.add_development_dependency 'gem-release', '~> 0.7'