diff --git a/Gemfile.lock b/Gemfile.lock
index a4dd23a..4226785 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,7 +5,7 @@ GEM
     httparty (0.18.0)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
-    json (2.1.0)
+    json (2.3.0)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
diff --git a/intuit-oauth.gemspec b/intuit-oauth.gemspec
index 943e5b8..15d87c1 100644
--- a/intuit-oauth.gemspec
+++ b/intuit-oauth.gemspec
@@ -5,7 +5,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.add_dependency 'httparty', '~> 0.18.0'
-  spec.add_dependency 'json', '~> 1.8.3'
+  spec.add_dependency 'json', '>= 1.8.3', '< 2.4.0'
   # spec.add_dependency 'json_web_token', '~> 0.3.5'
   spec.add_dependency 'rsa-pem-from-mod-exp', '~> 0.1.0'