Rakefile in arborist-0.3.0 vs Rakefile in arborist-0.4.0

@@ -36,10 +36,10 @@
 	}
 
 	spec.developer 'Michael Granger', '[e-mail]'
 	spec.developer 'Mahlon E. Smith', '[e-mail]'
 
-	spec.dependency 'schedulability', '~> 0.1'
+	spec.dependency 'schedulability', '~> 0.4'
 	spec.dependency 'loggability', '~> 0.12'
 	spec.dependency 'configurability', '~> 3.0'
 	spec.dependency 'pluggability', '~> 0.4'
 	spec.dependency 'state_machines', '~> 0.5'
 	spec.dependency 'msgpack', '~> 1.0'