diff --git a/.gitattributes b/.gitattributes
index a844bf228342edaadee3d4a4a2e15acb87ff3008..890d7790be94d9c0d33cfb4c8275efdeacdcd17a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -23,6 +23,7 @@
 *.bin filter=lfs diff=lfs merge=lfs -text
 *.pvtu* filter=lfs diff=lfs merge=lfs -text
 *.gif filter=lfs diff=lfs merge=lfs -text
+*.mp4 filter=lfs diff=lfs merge=lfs -text
 web/resources/_gen/**/*.content filter=lfs diff=lfs merge=lfs -text
 # Gocad files
 *.sg filter=lfs diff=lfs merge=lfs -text