diff --git a/engineering.properties b/engineering.properties
index 9f87ef9..aa432dd 100644
--- a/engineering.properties
+++ b/engineering.properties
@@ -30,3 +30,6 @@ DEPLOY_DOCKER_BIN=/usr/local/bin/docker
 RELEASE_TOKEN_FILE=${user.home}/.config/agiledancers-runner/s6-release-token
 PULL_TOKEN_FILE=${user.home}/.config/agiledancers-runner/s6-pull-token
 DEPLOY_SSH_KEY_FILE=${user.home}/.config/agiledancers-runner/s6-deploy-key
+
+# Project-owned browser image; keep aligned with @playwright/test.
+PLAYWRIGHT_IMAGE=mcr.microsoft.com/playwright:v1.64.1-noble