giblish.gemspec in giblish-1.0.0.rc2 vs giblish.gemspec in giblish-1.0.0

@@ -56,9 +56,12 @@
   spec.add_development_dependency "thin", "~>1.8"
   spec.add_development_dependency "rack", "2.2.3"
   spec.add_development_dependency "rack-test", "1.1"
 
   # Run-time deps
+  # 'matrix' needed because of incompatibilities between prawn v2.4
+  # and ruby 3.1
+  spec.add_runtime_dependency "matrix", "~>0.4"
   spec.add_runtime_dependency "warning", "~>1.2"
   spec.add_runtime_dependency "asciidoctor", "~>2.0", ">= 2.0.17"
   spec.add_runtime_dependency "asciidoctor-diagram", ["~> 2.2"]
   spec.add_runtime_dependency "asciidoctor-pdf", ["~> 1.6", ">= 1.6.2"]
   spec.add_runtime_dependency "git", "~> 1.9"