fontist.gemspec in fontist-1.17.1 vs fontist.gemspec in fontist-1.18.2

@@ -29,9 +29,10 @@
   spec.executables   = ["fontist"]
   spec.test_files    = `git ls-files -- {spec}/*`.split("\n")
 
   spec.add_runtime_dependency "down", "~> 5.0"
   spec.add_runtime_dependency "extract_ttc", "~> 0.1"
+  spec.add_runtime_dependency "json", "~> 2.0"
   spec.add_runtime_dependency "nokogiri", "~> 1.0"
   spec.add_runtime_dependency "mime-types", "~> 3.0"
   spec.add_runtime_dependency "sys-uname", "~> 1.2"
   spec.add_runtime_dependency "thor", "~> 1.2.1"
   spec.add_runtime_dependency "git", "~> 1.0"