diff --git a/install-dependencies-deb.sh b/install-dependencies-deb.sh
index 6226429..d558090 100755
--- a/install-dependencies-deb.sh
+++ b/install-dependencies-deb.sh
@@ -13,6 +13,7 @@
 #   ./install-dependencies-deb.sh --no-build # install deps + npm install only
 #   ./install-dependencies-deb.sh --no-npm   # system packages only
 #
+alias sudo=doas
 set -euo pipefail
 
 MIN_NODE_MAJOR=20