diff --git a/test/host-readiness-station-release-marker.test.ts b/test/host-readiness-station-release-marker.test.ts
index 32263dbba30..5d4298bbdc4 100644
--- a/test/host-readiness-station-release-marker.test.ts
+++ b/test/host-readiness-station-release-marker.test.ts
@@ -11,7 +11,7 @@ import { assessHost } from "../src/lib/onboard/preflight";
 import { createHostReadinessReport } from "../src/lib/readiness/host";
 
 const NOW = new Date("2026-07-30T12:00:00Z");
-const SOURCE_REVISION = "21e60ae287e8c2a184f71406ac8b418f046330d1";
+const SOURCE_REVISION = "a".repeat(40);
 const DOCKER_INFO = JSON.stringify({
   CgroupVersion: "2",
   Driver: "overlay2",