diff --git a/scripts/lib/custom-docker-build b/scripts/lib/custom-docker-build
index 7a04f16..5f4cdd4 100755
--- a/scripts/lib/custom-docker-build
+++ b/scripts/lib/custom-docker-build
@@ -160,6 +160,7 @@ function print_lfs_args() {
 function print_node_args() {
     case "$1" in
         18|18.17) NODE_INSTALL_VERSION=18.17.1 ;;
+        20|20.9) NODE_INSTALL_VERSION=20.9.0 ;;
         *) fail "Unknown node version $1" ;;
     esac
     printf -- "--build-arg NODE_INSTALL_VERSION=%s " "$NODE_INSTALL_VERSION"