diff --git a/.gitignore b/.gitignore
index a5b585f4396a..fbf7cecb2563 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@ cover/
 updates_key.pem
 *.egg-info
 *.srt
+*.ttml
 *.sbv
 *.vtt
 *.flv