diff --git a/Gemfile.lock b/Gemfile.lock
index 19de199..393be6a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
       eventmachine (>= 0.12.0)
       websocket-driver (>= 0.5.1)
     ffi (1.9.25)
-    json (1.8.6)
+    json (2.3.1)
     mini_portile2 (2.3.0)
     nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
@@ -57,7 +57,7 @@ PLATFORMS
 DEPENDENCIES
   appium_lib (~> 9.14)
   bundler (~> 1.16)
-  json (~> 1.8)
+  json (~> 2.3)
   parallel (~> 1.12)
   parallel_appium!
   parallel_tests (~> 2.21)
diff --git a/parallel_appium.gemspec b/parallel_appium.gemspec
index a2b96ee..6d8251a 100644
--- a/parallel_appium.gemspec
+++ b/parallel_appium.gemspec
@@ -44,7 +44,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency 'appium_lib', '~> 9.14'
   spec.add_development_dependency 'bundler', '~> 1.16'
-  spec.add_development_dependency 'json', '~> 1.8'
+  spec.add_development_dependency 'json', '~> 2.3'
   spec.add_development_dependency 'parallel', '~> 1.12'
   spec.add_development_dependency 'parallel_tests', '~> 2.21'
   spec.add_development_dependency 'rake', '~> 10.0'