diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 4a068309..b0bac4c0 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -931,13 +931,19 @@ XML:
   type: markup
   primary_extension: .xml
   extensions:
+  - .config
   - .kml
   - .mxml
   - .plist
   - .rdf
   - .rss
+  - .settings
   - .svg
+  - .wxi
+  - .wxl
+  - .wxs
   - .wsdl
+  - .xaml
   - .xml
   - .xsd
   - .xsl