From d2737577ffe5678a95de6dd6f2677eea1cd5ebd3 Mon Sep 17 00:00:00 2001
From: Michael Shilman <michael@lab80.co>
Date: Fri, 9 Apr 2021 12:47:35 +0800
Subject: [PATCH] CLI: Fix prerelease upgrade

---
 lib/cli/src/upgrade.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/cli/src/upgrade.ts b/lib/cli/src/upgrade.ts
index 47992a7daaf..b82c90e102e 100644
--- a/lib/cli/src/upgrade.ts
+++ b/lib/cli/src/upgrade.ts
@@ -99,7 +99,8 @@ export const upgrade = async ({ prerelease, skipCheck, useNpm, dryRun }: Options
 
   const flags = [];
   if (!dryRun) flags.push('--upgrade');
-  if (prerelease) flags.push('--newest');
+  flags.push('--target');
+  flags.push(prerelease ? 'greatest' : 'latest');
   const check = spawnSync('npx', ['npm-check-updates', '/storybook/', ...flags], {
     stdio: 'pipe',
   }).output.toString();