diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 50a0465f..24ee7ee4 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -3326,6 +3326,7 @@ XML:
   - .mxml
   - .nproj
   - .nuspec
+  - .odd
   - .osm
   - .plist
   - .pluginspec