diff --git a/tests/harness/npm.test.ts b/tests/harness/npm.test.ts
index 168fdb6bd..f5f3fdeeb 100644
--- a/tests/harness/npm.test.ts
+++ b/tests/harness/npm.test.ts
@@ -91,13 +91,13 @@ const KNOWN: Record<string, Known> = {
   "node24-web-stream-encoding": { run: "SC1090" },
   "node24-web-stream-errors": { run: "SC1090" },
   "node24-web-stream-lifecycle": { run: "SC1090" },
-  "node24-web-stream-pipe-abort": { run: "SC1090" },
+  "node24-web-stream-pipe-abort": { run: "SC2020" },
   "node24-web-stream-pipe-errors": { run: "SC1090" },
   "node24-web-stream-pipes": { run: "SC1090" },
   "node24-web-stream-queues": { run: "SC1090" },
-  "node24-web-stream-readable-lifecycle": { run: "SC1090" },
+  "node24-web-stream-readable-lifecycle": { run: "SC2020" },
   "node24-web-stream-readers": { run: "SC1090" },
-  "node24-web-stream-tee": { run: "SC1090" },
+  "node24-web-stream-tee": { run: "SC2020" },
   "node24-web-stream-transforms": { run: "SC1090" },
   "package-imports": { build: "SC2013" },
   "promise-bridge": { build: "SC1090" },