diff --git a/Gemfile b/Gemfile
index ca8811d..d61b15b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source "https://rubygems.org"
 
 gem "activesupport", "~> 8.0", require: false
 gem "concurrent-ruby", "~> 1.2", require: false
-gem "json", "~> 2.0", require: false
+gem "json", "~> 3.0", require: false
 
 gem "minitest", ">= 5.20"
 gem "mutant-minitest", ">= 0.12"