diff --git a/scripts/test-parallel.mjs b/scripts/test-parallel.mjs
index 4a91af4b8b6..3bf0f129c05 100644
--- a/scripts/test-parallel.mjs
+++ b/scripts/test-parallel.mjs
@@ -37,6 +37,8 @@ const unitIsolatedFilesRaw = [
   "src/hooks/install.test.ts",
   // Setup-heavy bot bootstrap suite.
   "src/telegram/bot.create-telegram-bot.test.ts",
+  // Medium-heavy bot behavior suite; move off unit-fast critical path.
+  "src/telegram/bot.test.ts",
   // Slack slash registration tests are setup-heavy and can bottleneck unit-fast.
   "src/slack/monitor/slash.test.ts",
   // Uses process-level unhandledRejection listeners; keep it off vmForks to avoid cross-file leakage.