diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 9b85c48a..d0806eaa 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -641,6 +641,7 @@ Python:
   extensions:
   - .py
   - .pyw
+  - .wsgi
 
 Python traceback:
   type: data