diff --git a/Gemfile b/Gemfile
index 03040c8..38f13fe 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
 
 gem 'zlib', '=1.0.0'
-gem 'json', '=2.1.0'
+gem 'json', '2.3.0'
 gem 'aws-sdk-s3', '=1.42.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index b344fc2..cb8a61f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     aws-sigv4 (1.1.0)
       aws-eventstream (~> 1.0, >= 1.0.2)
     jmespath (1.4.0)
-    json (2.1.0)
+    json (2.3.0)
     zlib (1.0.0)
 
 PLATFORMS
@@ -26,7 +26,7 @@ PLATFORMS
 
 DEPENDENCIES
   aws-sdk-s3 (= 1.42.0)
-  json (= 2.1.0)
+  json (= 2.3.0)
   zlib (= 1.0.0)
 
 BUNDLED WITH