diff --git a/shipcloud.gemspec b/shipcloud.gemspec
index 76bbb5d..4f16d78 100644
--- a/shipcloud.gemspec
+++ b/shipcloud.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = ">= 2.6"
 
-  spec.add_runtime_dependency "json", ">= 1.8.0"
+  spec.add_runtime_dependency "json", "2.7.2"
   spec.add_development_dependency "pry", "~> 0.10"
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "rspec", "~> 3.6"