giblish.gemspec in giblish-0.4.0 vs giblish.gemspec in giblish-0.5.2

@@ -28,19 +28,21 @@
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.11"
+  spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "minitest", "~> 5.0"
-  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rake", "~> 11.0"
+  spec.add_development_dependency "oga", "~> 2.15"
 
   # Usage: spec.add_runtime_dependency "[gem name]", [[version]]
-  spec.add_runtime_dependency "asciidoctor", "~>1.5", ">= 1.5.8"
+  spec.add_runtime_dependency "asciidoctor", "~>2.0", ">= 2.0.10"
   spec.add_runtime_dependency "asciidoctor-diagram", ["~> 1.5"]
-  spec.add_runtime_dependency "asciidoctor-pdf", [">= 1.5.0.alpha.16"]
-  spec.add_runtime_dependency "asciidoctor-rouge", ["~> 0.3"]
+  spec.add_runtime_dependency "asciidoctor-pdf", [">= 1.5.0.alpha.18"]
   spec.add_runtime_dependency "git", "~> 1.3"
+  spec.add_runtime_dependency "rouge", "~> 3.3"
   # needed by asciidoctor-pdf, see instructions at
   # https://github.com/asciidoctor/asciidoctor-pdf/releases
-  spec.add_runtime_dependency "prawn-svg", "~> 0.27.1"
+#  spec.add_runtime_dependency "prawn-svg", "~> 0.27.1"
+ spec.add_runtime_dependency "prawn-svg", "~> 0.29.1"
 end