diff --git a/update_course_repo.sh b/update_course_repo.sh
index fbced7fd2158d6bd84bb417d81567ea4dfca529e..64df7c0623150f183f66f48cb4d478b5a7afb4be 100755
--- a/update_course_repo.sh
+++ b/update_course_repo.sh
@@ -10,7 +10,7 @@ set -e
 
 NOTEBOOKS=??_*.ipynb
 NEEDED="images data"
-EXTRA="README.md LICENSE intro_presentation environment*.yml"
+EXTRA="README.md LICENSE intro_presentation environment*.yml custom.html"
 
 NAME=machinelearning-introduction-workshop