diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index adfce612..37281660 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1047,6 +1047,7 @@ Python:
   - .pyw
   - .wsgi
   - .xpy
+  - .pyt
   filenames:
   - wscript