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Use bun outdated to check for outdated dependencies in your project. This command displays a table of dependencies that have newer versions available.
terminal
bun outdated

| Package                        | Current | Update    | Latest     |
| ------------------------------ | ------- | --------- | ---------- |
| @sinclair/typebox              | 0.34.15 | 0.34.16   | 0.34.16    |
| @types/bun (dev)               | 1.2.0   | 1.2.23    | 1.2.23     |
| eslint (dev)                   | 8.57.1  | 8.57.1    | 9.20.0     |
| eslint-plugin-security (dev)   | 2.1.1   | 2.1.1     | 3.0.1      |
| eslint-plugin-sonarjs (dev)    | 0.23.0  | 0.23.0    | 3.0.1      |
| expect-type (dev)              | 0.16.0  | 0.16.0    | 1.1.0      |
| prettier (dev)                 | 3.4.2   | 3.5.0     | 3.5.0      |
| tsup (dev)                     | 8.3.5   | 8.3.6     | 8.3.6      |
| typescript (dev)               | 5.7.2   | 5.7.3     | 5.7.3      |

​
Version Information

The output table shows three version columns:
  • Current: The version currently installed
  • Update: The latest version that satisfies your package.json version range
  • Latest: The latest version published to the registry

​
Dependency Filters

bun outdated supports searching for outdated dependencies by package names and glob patterns. To check if specific dependencies are outdated, pass the package names as positional arguments:
terminal
bun outdated eslint-plugin-security eslint-plugin-sonarjs

| Package                        | Current | Update | Latest    |
| ------------------------------ | ------- | ------ | --------- |
| eslint-plugin-security (dev)   | 2.1.1   | 2.1.1  | 3.0.1     |
| eslint-plugin-sonarjs (dev)    | 0.23.0  | 0.23.0 | 3.0.1     |
You can also pass glob patterns to check for outdated packages:
terminal
bun outdated eslint*

| Package                        | Current | Update | Latest     |
| ------------------------------ | ------- | ------ | ---------- |
| eslint (dev)                   | 8.57.1  | 8.57.1 | 9.20.0     |
| eslint-plugin-security (dev)   | 2.1.1   | 2.1.1  | 3.0.1      |
| eslint-plugin-sonarjs (dev)    | 0.23.0  | 0.23.0 | 3.0.1      |
For example, to check for outdated @types/* packages:
terminal
bun outdated '@types/*'

| Package            | Current | Update | Latest |
| ------------------ | ------- | ------ | ------ |
| @types/bun (dev)   | 1.2.0   | 1.2.23 | 1.2.23 |
Or to exclude all @types/* packages:
terminal
bun outdated '!@types/*'

| Package                        | Current | Update    | Latest     |
| ------------------------------ | ------- | --------- | ---------- |
| @sinclair/typebox              | 0.34.15 | 0.34.16   | 0.34.16    |
| eslint (dev)                   | 8.57.1  | 8.57.1    | 9.20.0     |
| eslint-plugin-security (dev)   | 2.1.1   | 2.1.1     | 3.0.1      |
| eslint-plugin-sonarjs (dev)    | 0.23.0  | 0.23.0    | 3.0.1      |
| expect-type (dev)              | 0.16.0  | 0.16.0    | 1.1.0      |
| prettier (dev)                 | 3.4.2   | 3.5.0     | 3.5.0      |
| tsup (dev)                     | 8.3.5   | 8.3.6     | 8.3.6      |
| typescript (dev)               | 5.7.2   | 5.7.3     | 5.7.3      |

​
Workspace Filters

Use the --filter flag to check for outdated dependencies in a different workspace package:
terminal
bun outdated --filter='@monorepo/types'

| Package            | Current | Update | Latest |
| ------------------ | ------- | ------ | ------ |
| tsup (dev)         | 8.3.5   | 8.3.6  | 8.3.6  |
| typescript (dev)   | 5.7.2   | 5.7.3  | 5.7.3  |
You can pass multiple --filter flags to check multiple workspaces:
terminal
bun outdated --filter @monorepo/types --filter @monorepo/cli

| Package                        | Current | Update | Latest     |
| ------------------------------ | ------- | ------ | ---------- |
| eslint (dev)                 	 | 8.57.1  | 8.57.1 | 9.20.0     |
| eslint-plugin-security (dev)   | 2.1.1   | 2.1.1  | 3.0.1      |
| eslint-plugin-sonarjs (dev)    | 0.23.0  | 0.23.0 | 3.0.1      |
| expect-type (dev)              | 0.16.0  | 0.16.0 | 1.1.0      |
| tsup (dev)                     | 8.3.5   | 8.3.6  | 8.3.6      |
| typescript (dev)               | 5.7.2   | 5.7.3  | 5.7.3      |
You can also pass glob patterns to filter by workspace names:
terminal
bun outdated --filter='@monorepo/{types,cli}'

| Package                        | Current | Update | Latest     |
| ------------------------------ | ------- | ------ | ---------- |
| eslint (dev)                   | 8.57.1  | 8.57.1 | 9.20.0     |
| eslint-plugin-security (dev)   | 2.1.1   | 2.1.1  | 3.0.1      |
| eslint-plugin-sonarjs (dev)    | 0.23.0  | 0.23.0 | 3.0.1      |
| expect-type (dev)              | 0.16.0  | 0.16.0 | 1.1.0      |
| tsup (dev)                     | 8.3.5   | 8.3.6  | 8.3.6      |
| typescript (dev)               | 5.7.2   | 5.7.3  | 5.7.3      |

​
Catalog Dependencies

bun outdated supports checking catalog dependencies defined inpackage.json:
terminal
bun outdated -r

┌────────────────────┬─────────┬─────────┬─────────┬────────────────────────────────┐
│ Package            │ Current │ Update  │ Latest  │ Workspace                      │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ body-parser        │ 1.19.0  │ 1.19.0  │ 2.2.0   │ @test/shared                   │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ cors               │ 2.8.0   │ 2.8.0   │ 2.8.5   │ @test/shared                   │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ chalk              │ 4.0.0   │ 4.0.0   │ 5.6.2   │ @test/utils                    │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ uuid               │ 8.0.0   │ 8.0.0   │ 13.0.0  │ @test/utils                    │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ axios              │ 0.21.0  │ 0.21.0  │ 1.12.2  │ catalog (@test/app)            │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ lodash             │ 4.17.15 │ 4.17.15 │ 4.17.21 │ catalog (@test/app, @test/app) │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ react              │ 17.0.0  │ 17.0.0  │ 19.1.1  │ catalog (@test/app)            │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ react-dom          │ 17.0.0  │ 17.0.0  │ 19.1.1  │ catalog (@test/app)            │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ express            │ 4.17.0  │ 4.17.0  │ 5.1.0   │ catalog (@test/shared)         │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ moment             │ 2.24.0  │ 2.24.0  │ 2.30.1  │ catalog (@test/utils)          │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ @types/node (dev)  │ 14.0.0  │ 14.0.0  │ 24.5.2  │ @test/shared                   │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ @types/react (dev) │ 17.0.0  │ 17.0.0  │ 19.1.15 │ catalog:testing (@test/app)    │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ eslint (dev)       │ 7.0.0   │ 7.0.0   │ 9.36.0  │ catalog:testing (@test/app)    │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ typescript (dev)   │ 4.9.5   │ 4.9.5   │ 5.9.2   │ catalog:build (@test/app)      │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ jest (dev)         │ 26.0.0  │ 26.0.0  │ 30.2.0  │ catalog:testing (@test/shared) │
├────────────────────┼─────────┼─────────┼─────────┼────────────────────────────────┤
│ prettier (dev)     │ 2.0.0   │ 2.0.0   │ 3.6.2   │ catalog:build (@test/utils)    │
└────────────────────┴─────────┴─────────┴─────────┴────────────────────────────────┘

​
CLI Usage

terminal
bun outdated <filter>

​
General Options

​
-c, --config
string
Specify path to config file (bunfig.toml)
​
--cwd
string
Set a specific cwd
​
-h, --help
boolean
Print this help menu
​
-F, --filter
string
Display outdated dependencies for each matching workspace

​
Output & Logging

​
--silent
boolean
Don’t log anything
​
--verbose
boolean
Excessively verbose logging
​
--no-progress
boolean
Disable the progress bar
​
--no-summary
boolean
Don’t print a summary

​
Dependency Scope & Target

​
-p, --production
boolean
Don’t install devDependencies
​
--omit
string
Exclude dev, optional, or peer dependencies from install
​
-g, --global
boolean
Install globally

​
Lockfile & Package.json

​
-y, --yarn
boolean
Write a yarn.lock file (yarn v1)
​
--no-save
boolean
Don’t update package.json or save a lockfile
​
--save
boolean
default:"true"
Save to package.json (true by default)
​
--frozen-lockfile
boolean
Disallow changes to lockfile
​
--save-text-lockfile
boolean
Save a text-based lockfile
​
--lockfile-only
boolean
Generate a lockfile without installing dependencies
​
--trust
boolean
Add to trustedDependencies in the project’s package.json and install the package(s)

​
Network & Registry

​
--ca
string
Provide a Certificate Authority signing certificate
​
--cafile
string
Same as —ca, but as a file path to the certificate
​
--registry
string
Use a specific registry by default, overriding .npmrc, bunfig.toml and environment variables
​
--network-concurrency
number
default:"48"
Maximum number of concurrent network requests (default 48)

​
Caching

​
--cache-dir
string
Store & load cached data from a specific directory path
​
--no-cache
boolean
Ignore manifest cache entirely

​
Execution Behavior

​
--dry-run
boolean
Don’t install anything
​
-f, --force
boolean
Always request the latest versions from the registry & reinstall all dependencies
​
--no-verify
boolean
Skip verifying integrity of newly downloaded packages
​
--ignore-scripts
boolean
Skip lifecycle scripts in the project’s package.json (dependency scripts are never run)
​
--backend
string
default:"clonefile"
Platform-specific optimizations for installing dependencies. Possible values: clonefile (default), hardlink, symlink, copyfile
​
--concurrent-scripts
number
default:"5"
Maximum number of concurrent jobs for lifecycle scripts (default 5)