diff --git a/README.md b/README.md
index 04ecc80..f542f6c 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,18 @@ await copy({
 })
 ```
 
+### `SSRI`
+Exposes [SSRI API](https://github.com/npm/ssri#readme)
+```js
+import {SSRI} from 'zx-extra'
+
+const integrity = 'sha512-9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==?foo'
+// Parsing and serializing
+const parsed = SSRI.parse(integrity)
+SSRI.stringify(parsed) // === integrity (works on non-Integrity objects)
+parsed.toString() // === integrity
+```
+
 ### `ctx`
 [async_hooks](https://nodejs.org/api/async_hooks.html)-driven scope isolator.
 Creates a separate zx-context for the specified function.
diff --git a/src/main/js/goods.mjs b/src/main/js/goods.mjs
index 7443893..a30b887 100644
--- a/src/main/js/goods.mjs
+++ b/src/main/js/goods.mjs
@@ -1,5 +1,5 @@
 export * as tempy from 'tempy'
 export { default as ip } from 'ip'
-export { semver } from './semver.mjs'
+export { semver, SSRI } from './reexport.mjs'
 export { default as tcping } from 'is-reachable'
 export { copy } from 'globby-cp'
diff --git a/src/main/js/index.mjs b/src/main/js/index.mjs
index cc7b7a9..dc92262 100644
--- a/src/main/js/index.mjs
+++ b/src/main/js/index.mjs
@@ -1,4 +1,4 @@
-import {$ as _$, quiet, ProcessPromise, within, argv} from 'zx'
+import {$ as _$, quiet, ProcessPromise, within} from 'zx'
 import {isTemplateSignature, randomId} from './util.mjs'
 import {npmRunPath} from 'npm-run-path'
 import {DeepProxy} from '@qiwi/deep-proxy'
diff --git a/src/main/js/semver.mjs b/src/main/js/reexport.mjs
similarity index 68%
rename from src/main/js/semver.mjs
rename to src/main/js/reexport.mjs
index 1f4f12f..ee720c9 100644
--- a/src/main/js/semver.mjs
+++ b/src/main/js/reexport.mjs
@@ -3,8 +3,11 @@ import { execSync } from 'node:child_process'
 import { join } from 'node:path'
 const require = createRequire(import.meta.url)
 
-export const semver = require(join(
+const reexport = (name) => require(join(
   execSync('npm list -g --depth=0 --parseable npm', {shell: true}).toString().trim(),
   'node_modules',
-  'semver'
+  name
 ))
+
+export const semver = reexport('semver')
+export const SSRI = reexport('ssri')
diff --git a/src/test/js/test.mjs b/src/test/js/test.mjs
index 1c3de93..e2dd67a 100644
--- a/src/test/js/test.mjs
+++ b/src/test/js/test.mjs
@@ -1,5 +1,5 @@
 import {strict as assert} from 'node:assert'
-import {$, semver, createHook, ip, tempy, tcping, ctx, copy, fs, path} from '../../main/js/index.mjs'
+import {$, semver, createHook, ip, tempy, tcping, ctx, copy, fs, path, SSRI} from '../../main/js/index.mjs'
 
 // $.verbose
 {
@@ -36,6 +36,14 @@ import {$, semver, createHook, ip, tempy, tcping, ctx, copy, fs, path} from '../
   assert(!semver.lt('1.0.0', '1.0.0'))
 }
 
+// SSRI
+{
+  const integrity = 'sha512-9KhgCRIx/AmzC8xqYJTZRrnO8OW2Pxyl2DIMZSBOr0oDvtEFyht3xpp71j/r/pAe1DM+JI/A+line3jUBgzQ7A==?foo'
+  const parsed = SSRI.parse(integrity)
+  assert.equal(SSRI.stringify(parsed), integrity)
+  assert.equal(parsed.toString(), integrity)
+}
+
 // opt
 {
   const nothrow = $.opt({nothrow: true})