diff --git a/Gemfile b/Gemfile
index 61a73ed..890c111 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 # Runtime dependencies that should appear in the gemspec.
-gem 'json', '>= 1.0.0'
+gem 'json', '~> 2'
 gem 'mime-types', '~> 2.0'
 gem 'rest-client', '~> 1.6'
 
diff --git a/right_api_client.gemspec b/right_api_client.gemspec
index ffc844d..471de6b 100644
--- a/right_api_client.gemspec
+++ b/right_api_client.gemspec
@@ -63,7 +63,7 @@ Gem::Specification.new do |s|
     s.specification_version = 4
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
-      s.add_runtime_dependency(%q<json>.freeze, [">= 1.0.0"])
+      s.add_runtime_dependency(%q<json>.freeze, ["~> 2"])
       s.add_runtime_dependency(%q<mime-types>.freeze, ["~> 2.0"])
       s.add_runtime_dependency(%q<rest-client>.freeze, ["~> 1.6"])
       s.add_development_dependency(%q<rake>.freeze, ["< 12.0"])
@@ -72,7 +72,7 @@ Gem::Specification.new do |s|
       s.add_development_dependency(%q<coveralls>.freeze, [">= 0"])
       s.add_development_dependency(%q<pry>.freeze, [">= 0"])
     else
-      s.add_dependency(%q<json>.freeze, [">= 1.0.0"])
+      s.add_dependency(%q<json>.freeze, ["~> 2"])
       s.add_dependency(%q<mime-types>.freeze, ["~> 2.0"])
       s.add_dependency(%q<rest-client>.freeze, ["~> 1.6"])
       s.add_dependency(%q<rake>.freeze, ["< 12.0"])
@@ -82,7 +82,7 @@ Gem::Specification.new do |s|
       s.add_dependency(%q<pry>.freeze, [">= 0"])
     end
   else
-    s.add_dependency(%q<json>.freeze, [">= 1.0.0"])
+    s.add_dependency(%q<json>.freeze, ["~> 2"])
     s.add_dependency(%q<mime-types>.freeze, ["~> 2.0"])
     s.add_dependency(%q<rest-client>.freeze, ["~> 1.6"])
     s.add_dependency(%q<rake>.freeze, ["< 12.0"])