diff --git a/packages/nx/src/utils/lock-file/yarn.spec.ts b/packages/nx/src/utils/lock-file/yarn.spec.ts
index 64cf00d8807a2..be821d5558264 100644
--- a/packages/nx/src/utils/lock-file/yarn.spec.ts
+++ b/packages/nx/src/utils/lock-file/yarn.spec.ts
@@ -182,6 +182,29 @@ describe('yarn LockFile utility', () => {
         removeComment(berryLockFileDevkitAndYargs)
       );
     });
+
+    it('shold correctly prune lockfile with multiple packages and custom name', () => {
+      const result = pruneYarnLockFile(
+        parsedLockFile,
+        ['yargs', '@nrwl/devkit', 'typescript'],
+        'custom-name'
+      );
+      expect(result.lockFileMetadata.workspacePackages).toMatchInlineSnapshot(`
+        Object {
+          "custom-name@workspace:^": Object {
+            "dependencies": Object {
+              "@nrwl/devkit": "14.7.5",
+              "typescript": "~4.8.2",
+              "yargs": "^17.4.0",
+            },
+            "languageName": "unknown",
+            "linkType": "soft",
+            "resolution": "custom-name@workspace:^",
+            "version": "0.0.0-use.local",
+          },
+        }
+      `);
+    });
   });
 });
 
diff --git a/packages/nx/src/utils/lock-file/yarn.ts b/packages/nx/src/utils/lock-file/yarn.ts
index a4f465d659e5c..5b3ead0cfbb58 100644
--- a/packages/nx/src/utils/lock-file/yarn.ts
+++ b/packages/nx/src/utils/lock-file/yarn.ts
@@ -304,21 +304,33 @@ function pruneWorkspacePackages(
 ): LockFileDependencies {
   const result: LockFileDependencies = {};
 
-  Object.entries(workspacePackages).forEach(
-    ([packageKey, { dependencies, ...value }]) => {
-      const isRootPackage = packageKey.indexOf('@workspace:.') !== -1;
-      const prunedWorkspaceDependencies = pruneWorkspacePackageDependencies(
-        dependencies,
-        packages,
-        prunedDependencies,
-        isRootPackage
-      );
-      result[packageKey] = {
-        ...value,
-        dependencies: sortObject(prunedWorkspaceDependencies),
-      };
-    }
-  );
+  let workspaceProjKey = '';
+
+  if (projectName) {
+    workspaceProjKey =
+      Object.keys(workspacePackages).find((key) =>
+        key.startsWith(`${projectName}@workspace:`)
+      ) || `${projectName}@workspace:^`;
+  } else {
+    workspaceProjKey = Object.keys(workspacePackages).find(
+      (key) => key.indexOf('@workspace:.') !== -1
+    );
+  }
+
+  if (workspaceProjKey) {
+    const prunedWorkspaceDependencies = pruneWorkspacePackageDependencies(
+      workspacePackages[workspaceProjKey]?.dependencies || {},
+      packages,
+      prunedDependencies
+    );
+    result[workspaceProjKey] = {
+      version: '0.0.0-use.local',
+      resolution: workspaceProjKey,
+      languageName: 'unknown',
+      linkType: 'soft',
+      dependencies: sortObject(prunedWorkspaceDependencies),
+    };
+  }
 
   return result;
 }
@@ -326,8 +338,7 @@ function pruneWorkspacePackages(
 function pruneWorkspacePackageDependencies(
   dependencies: Record<string, string>,
   packages: string[],
-  prunedDependencies: LockFileData['dependencies'],
-  isRoot: boolean
+  prunedDependencies: LockFileData['dependencies']
 ): Record<string, string> {
   const result: Record<string, string> = {};
 
@@ -345,16 +356,14 @@ function pruneWorkspacePackageDependencies(
     }
   );
   // add all missing deps to root workspace package
-  if (isRoot) {
-    packages.forEach((p) => {
-      if (!result[p]) {
-        // extract first version expression from package's structure
-        const metaVersion = Object.values(prunedDependencies[p])[0]
-          .packageMeta[0] as string;
-        result[p] = metaVersion.split('@npm:')[1];
-      }
-    });
-  }
+  packages.forEach((p) => {
+    if (!result[p]) {
+      // extract first version expression from package's structure
+      const metaVersion = Object.values(prunedDependencies[p])[0]
+        .packageMeta[0] as string;
+      result[p] = metaVersion.split('@npm:')[1];
+    }
+  });
 
   return result;
 }