diff --git a/lib/puppet/provider/docker_stack/ruby.rb b/lib/puppet/provider/docker_stack/ruby.rb
index 2bb77d48..0c26204d 100644
--- a/lib/puppet/provider/docker_stack/ruby.rb
+++ b/lib/puppet/provider/docker_stack/ruby.rb
@@ -14,7 +14,7 @@ def exists?
     stack_services = {}
     stack_containers = []
     resource[:compose_files].each do |file|
-      compose_file = YAML.safe_load(File.read(file), [], [], true)
+      compose_file = Puppet::Util::Yaml.safe_load(File.read(file))
       # rubocop:disable Style/StringLiterals
       containers = docker([
                             'ps',