diff --git a/medias/presentation.mp4 b/medias/presentation.mp4
index caeafe3..9bf05b4 100644
--- a/medias/presentation.mp4
+++ b/medias/presentation.mp4
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
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-size 3954325
+oid sha256:3e6b18766b07bf3c968dd622e057d033cff13fb7b74bea60b20442f1b8b9ab1e
+size 3896072