diff --git a/.gitattributes b/.gitattributes
index e3027b16..d54c38a9 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6,6 +6,7 @@
 *.png filter=lfs diff=lfs merge=lfs
 *.avif filter=lfs diff=lfs merge=lfs
 *.webm filter=lfs diff=lfs merge=lfs
+*.mkv filter=lfs diff=lfs merge=lfs
 
 # Documents
 *.doc	diff=astextplain