diff --git a/src/articles/kalman-filter.md b/src/articles/kalman-filter.md
index 0260a4a0..b4c5e255 100644
--- a/src/articles/kalman-filter.md
+++ b/src/articles/kalman-filter.md
@@ -197,7 +197,7 @@ ans =
 
 The following video demonstrates how to calculate variance:
 
-`youtube:https://www.youtube.com/embed/mo498rlUk-0?si=ZtTU4mlzTMLq7apU`
+`youtube:https://www.youtube.com/embed/I6p-iQulKgk?si=QI76h5psxfRZG_s5`
 
 ## uncertainty