diff --git a/packages/core/src/plugins/publish.ts b/packages/core/src/plugins/publish.ts
index b93b771..c001d5f 100644
--- a/packages/core/src/plugins/publish.ts
+++ b/packages/core/src/plugins/publish.ts
@@ -2,7 +2,7 @@ import { Context, cwd, exit, Manager, PackageJson, spawnAsync } from '../index.j
 import { gt, prerelease } from 'semver'
 import { Awaitable } from 'cosmokit'
 import { join } from 'path'
-import { latest } from '../utils.js'
+import { fetchRemote, selectVersion } from '../utils.js'
 import ora from 'ora'
 import prompts from 'prompts'
 import assert from 'assert'
@@ -18,11 +18,13 @@ declare module '../index.js' {
   }
 }
 
-function getVersion(name: string, isNext = false) {
+async function getVersion(name: string, isNext = false) {
+  const remote = await fetchRemote(name).catch(() => null)
+  if (!remote) return '0.0.0'
   if (isNext) {
-    return latest(name, { version: 'next' }).catch(() => getVersion(name))
+    return selectVersion(remote, 'next') || selectVersion(remote, 'latest') || '0.0.0'
   } else {
-    return latest(name, { version: 'latest' }).catch(() => '0.0.1')
+    return selectVersion(remote, 'latest') || '0.0.0'
   }
 }
 
diff --git a/packages/core/src/plugins/upgrade.ts b/packages/core/src/plugins/upgrade.ts
index 23440ad..03b7ab7 100644
--- a/packages/core/src/plugins/upgrade.ts
+++ b/packages/core/src/plugins/upgrade.ts
@@ -1,7 +1,7 @@
 import { Context, DependencyType, PackageJson, spawnAsync } from '../index.js'
 import kleur from 'kleur'
 import { gt } from 'semver'
-import { latest } from '../utils.js'
+import { fetchRemote, selectVersion } from '../utils.js'
 import pMap from 'p-map'
 import ora from 'ora'
 
@@ -41,11 +41,13 @@ export function apply(ctx: Context, config: Config = {}) {
       const [dep, oldRange] = request.split(':')
       if (names.includes(dep)) return updateProgress()
       const oldVersion = oldRange.slice(1)
-      const [newVersion, lastestVersion] = await Promise.all([
-        latest(dep, { version: oldRange }),
-        latest(dep, { version: ctx.yakumo.argv.next ? '' : 'latest' }),
-      ])
+      const remote = await fetchRemote(dep).catch(() => {
+        console.log(`- ${kleur.red(dep)}: failed to fetch`)
+      })
       updateProgress()
+      if (!remote) return
+      const newVersion = selectVersion(remote, oldRange)
+      const lastestVersion = selectVersion(remote, ctx.yakumo.argv.next ? '' : 'latest')
       try {
         if (!gt(newVersion, oldVersion)) return
       } catch (error) {
@@ -53,7 +55,8 @@ export function apply(ctx: Context, config: Config = {}) {
         return
       }
       const newRange = oldRange[0] + newVersion
-      output.push(`- ${kleur.yellow(dep)}: ${kleur.cyan(oldVersion)} -> ${kleur.green(newVersion)}${newVersion === lastestVersion ? '' : ` (latest: ${lastestVersion})`}`)
+      const suffix = newVersion === lastestVersion ? '' : ` (latest: ${lastestVersion})`
+      output.push(`- ${kleur.yellow(dep)}: ${kleur.cyan(oldVersion)} -> ${kleur.green(newVersion)}${suffix}`)
       for (const name in deps[request]) {
         Object.defineProperty(ctx.yakumo.workspaces[name], '$dirty', { value: true })
         for (const type in deps[request][name]) {
diff --git a/packages/core/src/utils.ts b/packages/core/src/utils.ts
index 32f1153..f04b650 100644
--- a/packages/core/src/utils.ts
+++ b/packages/core/src/utils.ts
@@ -39,13 +39,7 @@ export async function install() {
 
 let registryTask: Promise<string>
 
-export namespace latest {
-  export interface Options {
-    version: string
-  }
-}
-
-export async function latest(name: string, options: latest.Options) {
+export async function fetchRemote(name: string) {
   const registry = await (registryTask ||= getRegistry())
   const packageUrl = new URL(encodeURIComponent(name).replace(/^%40/, '@'), registry)
   const response = await fetch(packageUrl, {
@@ -53,14 +47,17 @@ export async function latest(name: string, options: latest.Options) {
       'Accept': 'application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8, */*',
     },
   })
-  const { version } = options
-  const data = await response.json()
+  if (!response.ok) throw new Error(`Failed to fetch ${packageUrl}`)
+  return response.json()
+}
+
+export function selectVersion(data: any, version: string) {
   if (data['dist-tags'][version]) {
     return data['dist-tags'][version]
-  } else if (data.versions[version]) {
+  } else if (data.versions?.[version]) {
     return version
   } else {
     const versions = Object.keys(data.versions)
-    return semver.maxSatisfying(versions, version, { includePrerelease: true })
+    return semver.maxSatisfying(versions, version, { includePrerelease: true, loose: true })
   }
 }