cocina-models.gemspec in cocina-models-0.70.0 vs cocina-models.gemspec in cocina-models-0.71.0

@@ -23,9 +23,10 @@
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
   spec.required_ruby_version = '>= 2.7'
 
   spec.add_dependency 'activesupport'
+  spec.add_dependency 'deprecation'
   spec.add_dependency 'dry-struct', '~> 1.0'
   spec.add_dependency 'dry-types', '~> 1.1'
   spec.add_dependency 'openapi3_parser' # Parsing openapi doc
   # Match these version requirements to what committee wants,
   # so that our client (non-committee) users have the same dependencies.