2 files changed, 6 insertions, 2 deletions
diff --git a/lib/psych/ruby.rb b/lib/psych/ruby.rb
index e68632b..6258e81 100644
--- a/lib/psych/ruby.rb
+++ b/lib/psych/ruby.rb
@@ -1,14 +1,14 @@
 require 'complex'
 require 'rational'
+require 'date'
 
 [
   Object, String, Class, Hash, Array, NilClass, Float,
-  FalseClass, TrueClass, Range, Complex, Rational
+  FalseClass, TrueClass, Range, Complex, Rational, Date
   # Struct
   # Exception
   # Regexp
   # Time
-  # Date
 ].each do |klass|
   klass.send(:remove_method, :to_yaml) rescue NameError
 end
diff --git a/lib/psych/visitors/yast_builder.rb b/lib/psych/visitors/yast_builder.rb
index c0396e2..9111f8b 100644
--- a/lib/psych/visitors/yast_builder.rb
+++ b/lib/psych/visitors/yast_builder.rb
@@ -21,6 +21,10 @@ module Psych
         raise TypeError, "Can't dump #{target.class}"
       end
 
+      def visit_Date o
+        append Nodes::Scalar.new o.to_s
+      end
+
       def visit_Rational o
         @stack.push append Nodes::Mapping.new(nil,'!ruby/object:Rational',false)
         ['denominator', o.denominator, 'numerator', o.numerator].each do |m|