diff --git a/action-scripts/Gemfile b/action-scripts/Gemfile
index 0482ad3..2688551 100644
--- a/action-scripts/Gemfile
+++ b/action-scripts/Gemfile
@@ -12,7 +12,7 @@ gem 'aws-sdk-sts', '~> 1.12'   # AWS STS for role assumption
 
 # Configuration & Data
 gem 'yaml', '~> 0.4'           # YAML parsing
-gem 'json', '~> 2.19', '>= 2.19.5'          # JSON handling
+gem 'json', '~> 2.21', '>= 2.21.2'          # JSON handling
 
 # Utilities
 gem 'colorize', '~> 1.1'       # Colored terminal output
diff --git a/action-scripts/Gemfile.lock b/action-scripts/Gemfile.lock
index df52dac..5bed602 100644
--- a/action-scripts/Gemfile.lock
+++ b/action-scripts/Gemfile.lock
@@ -210,7 +210,7 @@ DEPENDENCIES
   factory_bot (~> 6.6)
   faraday-retry (~> 2.4)
   guard-rspec (~> 4.7, >= 4.7.3)
-  json (~> 2.19, >= 2.19.5)
+  json (~> 2.21, >= 2.21.2)
   octokit (~> 10.0)
   pry (~> 0.16)
   rspec (~> 3.13, >= 3.13.2)