diff --git a/source/Ox/js/HTML.js b/source/Ox/js/HTML.js
index 35518f4b..b5cf839b 100644
--- a/source/Ox/js/HTML.js
+++ b/source/Ox/js/HTML.js
@@ -55,8 +55,10 @@
              {
                 'name': 'a',
                 'required': ['href'],
+                'optional': ['target'],
                 'validate': {
-                    'href': /^((https?:\/\/|\/|mailto:).*?)/
+                    'href': /^((https?:\/\/|\/|mailto:).*?)/,
+                    'target': /^_blank$/
                 }
              },
              {'name': 'br'},
@@ -507,6 +509,8 @@
         '<a href="http://www.foo.com/">http://www.foo.com/</a>'
         > Ox.sanitizeHTML('<a href="http://foo.com" onclick="alert()">foo</a>')
         '<a href="http://foo.com">foo</a>'
+        > Ox.sanitizeHTML('<a href="http://foo.com" target="_blank">foo</a>')
+        '<a href="http://foo.com" target="_blank">foo</a>'
         > Ox.sanitizeHTML('<a href="javascript:alert()">foo</a>')
         '&lt;a href="javascript:alert()"&gt;foo&lt;/a&gt;'
         > Ox.sanitizeHTML('<a href="foo">foo</a>')