diff --git a/packages/cli/src/lib/versioning/packages.test.ts b/packages/cli/src/lib/versioning/packages.test.ts
index b7f3614fb7..7b39d4fccb 100644
--- a/packages/cli/src/lib/versioning/packages.test.ts
+++ b/packages/cli/src/lib/versioning/packages.test.ts
@@ -17,7 +17,6 @@
 import mockFs from 'mock-fs';
 import path from 'path';
 import * as runObj from '../run';
-import { paths } from '../paths';
 import { fetchPackageInfo, mapDependencies } from './packages';
 import { NotFoundError } from '../errors';
 
@@ -58,22 +57,19 @@ describe('mapDependencies', () => {
   });
 
   it('should read dependencies', async () => {
-    // Make sure all modules involved in package discovery are in the module cache before we mock fs
-    const { Project } = require('@lerna/project');
-    const project = new Project(paths.targetDir);
-    await project.getPackages();
-
     mockFs({
-      'lerna.json': JSON.stringify({
-        packages: ['pkgs/*'],
+      '/root/package.json': JSON.stringify({
+        workspaces: {
+          packages: ['pkgs/*'],
+        },
       }),
-      'pkgs/a/package.json': JSON.stringify({
+      '/root/pkgs/a/package.json': JSON.stringify({
         name: 'a',
         dependencies: {
           '@backstage/core': '1 || 2',
         },
       }),
-      'pkgs/b/package.json': JSON.stringify({
+      '/root/pkgs/b/package.json': JSON.stringify({
         name: 'b',
         dependencies: {
           '@backstage/core': '3',
@@ -82,10 +78,7 @@ describe('mapDependencies', () => {
       }),
     });
 
-    const dependencyMap = await mapDependencies(
-      paths.targetDir,
-      '@backstage/*',
-    );
+    const dependencyMap = await mapDependencies('/root', '@backstage/*');
     expect(Array.from(dependencyMap)).toEqual([
       [
         '@backstage/core',
@@ -93,12 +86,12 @@ describe('mapDependencies', () => {
           {
             name: 'a',
             range: '1 || 2',
-            location: path.resolve('pkgs', 'a'),
+            location: path.normalize('/root/pkgs/a'),
           },
           {
             name: 'b',
             range: '3',
-            location: path.resolve('pkgs', 'b'),
+            location: path.normalize('/root/pkgs/b'),
           },
         ],
       ],
@@ -108,7 +101,7 @@ describe('mapDependencies', () => {
           {
             name: 'b',
             range: '^0',
-            location: path.resolve('pkgs', 'b'),
+            location: path.normalize('/root/pkgs/b'),
           },
         ],
       ],
diff --git a/packages/cli/src/lib/versioning/packages.ts b/packages/cli/src/lib/versioning/packages.ts
index aa402431b9..1dabec6032 100644
--- a/packages/cli/src/lib/versioning/packages.ts
+++ b/packages/cli/src/lib/versioning/packages.ts
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 import minimatch from 'minimatch';
+import { getPackages } from '@manypkg/get-packages';
 import { runPlain } from '../../lib/run';
 import { NotFoundError } from '../errors';
 
@@ -22,7 +23,7 @@ const DEP_TYPES = [
   'devDependencies',
   'peerDependencies',
   'optionalDependencies',
-];
+] as const;
 
 // Package data as returned by `yarn info`
 export type YarnInfoInspectData = {
@@ -66,14 +67,12 @@ export async function mapDependencies(
   targetDir: string,
   pattern: string,
 ): Promise<Map<string, PkgVersionInfo[]>> {
-  const { Project } = require('@lerna/project');
-  const project = new Project(targetDir);
-  const packages = await project.getPackages();
+  const { packages } = await getPackages(targetDir);
 
   const dependencyMap = new Map<string, PkgVersionInfo[]>();
   for (const pkg of packages) {
     const deps = DEP_TYPES.flatMap(
-      t => Object.entries(pkg.get(t) ?? {}) as [string, string][],
+      t => Object.entries(pkg.packageJson[t] ?? {}) as [string, string][],
     );
 
     for (const [name, range] of deps) {
@@ -82,8 +81,8 @@ export async function mapDependencies(
           name,
           (dependencyMap.get(name) ?? []).concat({
             range,
-            name: pkg.name,
-            location: pkg.location,
+            name: pkg.packageJson.name,
+            location: pkg.dir,
           }),
         );
       }