diff --git a/cf-uaac.gemspec b/cf-uaac.gemspec
index f3c8791..448ac8b 100644
--- a/cf-uaac.gemspec
+++ b/cf-uaac.gemspec
@@ -31,7 +31,7 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
 
   # dependencies
-  s.add_runtime_dependency 'cf-uaa-lib', '~> 4.0.6'
+  s.add_runtime_dependency 'cf-uaa-lib', '~> 4.0.7'
   s.add_development_dependency 'rake', '~> 13.0'
   s.add_development_dependency 'rspec', '~> 3.12'
   s.add_development_dependency 'simplecov', '~> 0.22.0'
@@ -42,6 +42,6 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'eventmachine', '~> 1.2'
   s.add_runtime_dependency 'launchy', '>= 2.5', '< 4.0'
   s.add_runtime_dependency 'em-http-request', '~> 1.1', '>= 1.1.2'
-  s.add_runtime_dependency 'json_pure', '~>2.7'
+  s.add_runtime_dependency 'json', '~>2.7'
   s.add_runtime_dependency 'rack', '~>3.0'
 end
diff --git a/lib/uaa/cli/base.rb b/lib/uaa/cli/base.rb
index 35c5ac6..7be84ec 100644
--- a/lib/uaa/cli/base.rb
+++ b/lib/uaa/cli/base.rb
@@ -13,7 +13,7 @@
 
 require 'highline'
 require 'optparse'
-require 'json/pure'
+require 'json'
 require 'io/console'
 
 module CF; module UAA end end
diff --git a/lib/uaa/cli/curl.rb b/lib/uaa/cli/curl.rb
index 70de626..401a44e 100644
--- a/lib/uaa/cli/curl.rb
+++ b/lib/uaa/cli/curl.rb
@@ -15,7 +15,7 @@
 require 'rack'
 require 'net/http'
 require 'uaa/http'
-require 'json/pure'
+require 'json'
 
 module CF::UAA
   class CurlCli < CommonCli
diff --git a/lib/uaa/stub/server.rb b/lib/uaa/stub/server.rb
index a1f440b..25152a3 100644
--- a/lib/uaa/stub/server.rb
+++ b/lib/uaa/stub/server.rb
@@ -16,7 +16,7 @@
 require 'logger'
 require 'pp'
 require 'erb'
-require 'json/pure'
+require 'json'
 require 'rack'
 
 module Stub