diff --git a/lib/linguist/vendor.yml b/lib/linguist/vendor.yml
index 7adaeefb..8821a921 100644
--- a/lib/linguist/vendor.yml
+++ b/lib/linguist/vendor.yml
@@ -36,6 +36,10 @@
 - (^|/)jquery([^.]*)(\.min)?\.js$
 - (^|/)jquery\-\d\.\d(\.\d)?(\.min)?\.js$
 
+# jQuery UI
+- (^|/)jquery\-ui(\-\d\.\d+(\.\d+)?)?(\.\w+)?(\.min)?\.(js|css)$
+- (^|/)jquery\.(ui|effects)\.([^.]*)(\.min)?\.(js|css)$
+
 # Prototype
 - (^|/)prototype(.*)\.js$
 - (^|/)effects\.js$
@@ -95,7 +99,8 @@
 - -vsdoc\.js$
 
 # jQuery validation plugin (MS bundles this with asp.net mvc)
-- (^|/)jquery([^.]*)\.validate(\.min)?\.js$
+- (^|/)jquery([^.]*)\.validate(\.unobtrusive)?(\.min)?\.js$
+- (^|/)jquery([^.]*)\.unobtrusive\-ajax(\.min)?\.js$
 
 # Microsoft Ajax
 - (^|/)[Mm]icrosoft([Mm]vc)?([Aa]jax|[Vv]alidation)(\.debug)?\.js$
diff --git a/test/test_blob.rb b/test/test_blob.rb
index fa96db5d..a64be883 100644
--- a/test/test_blob.rb
+++ b/test/test_blob.rb
@@ -233,6 +233,23 @@ class TestBlob < Test::Unit::TestCase
     assert blob("public/javascripts/jquery-1.6.1.js").vendored?
     assert blob("public/javascripts/jquery-1.6.1.min.js").vendored?
     assert !blob("public/javascripts/jquery.github.menu.js").vendored?
+    
+    # jQuery UI
+    assert blob("themes/ui-lightness/jquery-ui.css").vendored?
+    assert blob("themes/ui-lightness/jquery-ui-1.8.22.custom.css").vendored?
+    assert blob("themes/ui-lightness/jquery.ui.accordion.css").vendored?
+    assert blob("ui/i18n/jquery.ui.datepicker-ar.js").vendored?
+    assert blob("ui/i18n/jquery-ui-i18n.js").vendored?
+    assert blob("ui/jquery.effects.blind.js").vendored?
+    assert blob("ui/jquery-ui-1.8.22.custom.js").vendored?
+    assert blob("ui/jquery-ui-1.8.22.custom.min.js").vendored?
+    assert blob("ui/jquery-ui-1.8.22.js").vendored?
+    assert blob("ui/jquery-ui-1.8.js").vendored?
+    assert blob("ui/jquery-ui.min.js").vendored?
+    assert blob("ui/jquery.ui.accordion.js").vendored?
+    assert blob("ui/minified/jquery.effects.blind.min.js").vendored?
+    assert blob("ui/minified/jquery.ui.accordion.min.js").vendored?
+    
 
     # MooTools
     assert blob("public/javascripts/mootools-core-1.3.2-full-compat.js").vendored?
@@ -278,6 +295,11 @@ class TestBlob < Test::Unit::TestCase
 
     # jQuery validation plugin (MS bundles this with asp.net mvc)
     assert blob("Scripts/jquery.validate.js").vendored?
+    assert blob("Scripts/jquery.validate.min.js").vendored?
+    assert blob("Scripts/jquery.validate.unobtrusive.js").vendored?
+    assert blob("Scripts/jquery.validate.unobtrusive.min.js").vendored?
+    assert blob("Scripts/jquery.unobtrusive-ajax.js").vendored?
+    assert blob("Scripts/jquery.unobtrusive-ajax.min.js").vendored?
 
     # NuGet Packages
     assert blob("packages/Modernizr.2.0.6/Content/Scripts/modernizr-2.0.6-development-only.js").vendored?