diff --git a/scripts/build.sh b/scripts/build.sh
index 8255da5..5defefc 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -12,7 +12,7 @@
 # CHROME_PATH at one if it is not auto-detected.
 set -euo pipefail
 
-MARP_VERSION=4.5.0
+MARP_VERSION=4.5.1
 
 out=${1:-_site}
 root=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)