diff --git a/packages/turbo-workspaces/__tests__/managers.test.ts b/packages/turbo-workspaces/__tests__/managers.test.ts
index 73c50735a46fc..280290395b3bd 100644
--- a/packages/turbo-workspaces/__tests__/managers.test.ts
+++ b/packages/turbo-workspaces/__tests__/managers.test.ts
@@ -114,7 +114,7 @@ describe("managers", () => {
           expect(packageJson?.packageManager?.split("@")[0]).toEqual(
             fixtureManager
           );
-          if (fixtureType === "basic") {
+          if (fixtureType === "monorepo") {
             if (fixtureManager === "pnpm") {
               expect(project.paths.workspaceConfig).toBeDefined();
               if (project.paths.workspaceConfig) {
@@ -135,7 +135,7 @@ describe("managers", () => {
           }
         } else {
           expect(packageJson?.packageManager).toBeUndefined();
-          if (fixtureType === "basic") {
+          if (fixtureType === "monorepo") {
             expect(packageJson?.workspaces).toBeUndefined();
 
             if (fixtureManager === "pnpm") {
@@ -223,6 +223,86 @@ describe("managers", () => {
     );
   });
 
+  describe("read - alternate workspace format", () => {
+    test.each(generateReadMatrix())(
+      "reads $toManager workspaces using alternate format from $fixtureManager $fixtureType project - (shouldThrow: $shouldThrow)",
+      async ({ fixtureManager, fixtureType, toManager, shouldThrow }) => {
+        const { root, directoryName, readJson, write } = useFixture({
+          fixture: `./${fixtureManager}/${fixtureType}`,
+        });
+
+        // alter the fixtures package.json to use the alternate workspace format
+        const packageJsonPath = path.join(root, "package.json");
+        const packageJson = readJson<PackageJson>(packageJsonPath);
+        if (packageJson && packageJson.workspaces) {
+          packageJson.workspaces = {
+            packages: packageJson.workspaces as Array<string>,
+          };
+          write(packageJsonPath, JSON.stringify(packageJson, null, 2));
+        }
+
+        const read = async () =>
+          MANAGERS[toManager].read({ workspaceRoot: root });
+        if (shouldThrow) {
+          if (toManager === "pnpm") {
+            expect(read).rejects.toThrow(`Not a pnpm project`);
+          } else if (toManager === "yarn") {
+            expect(read).rejects.toThrow(`Not a yarn project`);
+          } else if (toManager === "npm") {
+            expect(read).rejects.toThrow(`Not an npm project`);
+          }
+          return;
+        }
+        const project = await MANAGERS[toManager].read({
+          workspaceRoot: root,
+        });
+
+        expect(project.name).toEqual(
+          fixtureType === "monorepo" ? `${toManager}-workspaces` : toManager
+        );
+        expect(project.packageManager).toEqual(toManager);
+
+        // paths
+        expect(project.paths.root).toMatch(
+          new RegExp(`^.*\/${directoryName}$`)
+        );
+        expect(project.paths.packageJson).toMatch(
+          new RegExp(`^.*\/${directoryName}\/package.json$`)
+        );
+
+        if (fixtureManager === "pnpm") {
+          new RegExp(`^.*\/${directoryName}\/pnpm-lock.yaml$`);
+        } else if (fixtureManager === "yarn") {
+          new RegExp(`^.*\/${directoryName}\/yarn.lock$`);
+        } else if (fixtureManager === "npm") {
+          new RegExp(`^.*\/${directoryName}\/package-lock.json$`);
+        } else {
+          throw new Error("Invalid fixtureManager");
+        }
+
+        if (fixtureType === "non-monorepo") {
+          expect(project.workspaceData.workspaces).toEqual([]);
+          expect(project.workspaceData.globs).toEqual([]);
+        } else {
+          expect(project.workspaceData.globs).toEqual(["apps/*", "packages/*"]);
+          project.workspaceData.workspaces.forEach((workspace) => {
+            const type = ["web", "docs"].includes(workspace.name)
+              ? "apps"
+              : "packages";
+            expect(workspace.paths.packageJson).toMatch(
+              new RegExp(
+                `^.*${directoryName}\/${type}\/${workspace.name}\/package.json$`
+              )
+            );
+            expect(workspace.paths.root).toMatch(
+              new RegExp(`^.*${directoryName}\/${type}\/${workspace.name}$`)
+            );
+          });
+        }
+      }
+    );
+  });
+
   describe("clean", () => {
     test.each(generateCleanMatrix())(
       "cleans $fixtureManager $fixtureType project (interactive=$interactive, dry=$dry)",
diff --git a/packages/turbo-workspaces/__tests__/test-utils.ts b/packages/turbo-workspaces/__tests__/test-utils.ts
index 4d6c7c91446ed..3cbd1410196a3 100644
--- a/packages/turbo-workspaces/__tests__/test-utils.ts
+++ b/packages/turbo-workspaces/__tests__/test-utils.ts
@@ -1,7 +1,10 @@
 import { PackageManager } from "../src/types";
 
 const PACKAGE_MANAGERS: Array<PackageManager> = ["pnpm", "npm", "yarn"];
-const REPO_TYPES = ["monorepo", "non-monorepo"];
+const REPO_TYPES: Array<"monorepo" | "non-monorepo"> = [
+  "monorepo",
+  "non-monorepo",
+];
 const BOOLEAN_OPTIONS = [true, false];
 
 export function generateConvertMatrix() {
diff --git a/packages/turbo-workspaces/jest.config.js b/packages/turbo-workspaces/jest.config.js
index e9a8cc9265452..8d3a0bc2ed622 100644
--- a/packages/turbo-workspaces/jest.config.js
+++ b/packages/turbo-workspaces/jest.config.js
@@ -9,10 +9,10 @@ module.exports = {
   collectCoverage: true,
   coverageThreshold: {
     global: {
-      branches: 83,
+      branches: 82,
       functions: 87,
-      lines: 93,
-      statements: 93,
+      lines: 92,
+      statements: 92,
     },
   },
   verbose: process.env.RUNNER_DEBUG === "1",
diff --git a/packages/turbo-workspaces/src/managers/npm.ts b/packages/turbo-workspaces/src/managers/npm.ts
index 26fd76a1f7aad..c480a274e1128 100644
--- a/packages/turbo-workspaces/src/managers/npm.ts
+++ b/packages/turbo-workspaces/src/managers/npm.ts
@@ -19,6 +19,7 @@ import {
   expandWorkspaces,
   getWorkspacePackageManager,
   expandPaths,
+  parseWorkspacePackages,
 } from "../utils";
 
 /**
@@ -48,6 +49,9 @@ async function read(args: ReadArgs): Promise<Project> {
 
   const packageJson = getPackageJson(args);
   const { name, description } = getWorkspaceInfo(args);
+  const workspaceGlobs = parseWorkspacePackages({
+    workspaces: packageJson.workspaces,
+  });
   return {
     name,
     description,
@@ -57,9 +61,9 @@ async function read(args: ReadArgs): Promise<Project> {
       lockFile: "package-lock.json",
     }),
     workspaceData: {
-      globs: packageJson.workspaces || [],
+      globs: workspaceGlobs,
       workspaces: expandWorkspaces({
-        workspaceGlobs: packageJson.workspaces,
+        workspaceGlobs: workspaceGlobs,
         ...args,
       }),
     },
diff --git a/packages/turbo-workspaces/src/managers/yarn.ts b/packages/turbo-workspaces/src/managers/yarn.ts
index 9bef53f1b8a93..a3e8b236fd2ba 100644
--- a/packages/turbo-workspaces/src/managers/yarn.ts
+++ b/packages/turbo-workspaces/src/managers/yarn.ts
@@ -18,6 +18,7 @@ import {
   expandPaths,
   expandWorkspaces,
   getWorkspacePackageManager,
+  parseWorkspacePackages,
 } from "../utils";
 
 /**
@@ -47,6 +48,9 @@ async function read(args: ReadArgs): Promise<Project> {
 
   const packageJson = getPackageJson(args);
   const { name, description } = getWorkspaceInfo(args);
+  const workspaceGlobs = parseWorkspacePackages({
+    workspaces: packageJson.workspaces,
+  });
   return {
     name,
     description,
@@ -56,9 +60,9 @@ async function read(args: ReadArgs): Promise<Project> {
       lockFile: "yarn.lock",
     }),
     workspaceData: {
-      globs: packageJson.workspaces || [],
+      globs: workspaceGlobs,
       workspaces: expandWorkspaces({
-        workspaceGlobs: packageJson.workspaces,
+        workspaceGlobs,
         ...args,
       }),
     },
diff --git a/packages/turbo-workspaces/src/types.ts b/packages/turbo-workspaces/src/types.ts
index 9240f09eb5642..96990c9cdfb63 100644
--- a/packages/turbo-workspaces/src/types.ts
+++ b/packages/turbo-workspaces/src/types.ts
@@ -48,7 +48,7 @@ export type PackageJsonDependencies = {
 export type PackageJson = PackageJsonDependencies & {
   name?: string;
   description?: string;
-  workspaces?: Array<string>;
+  workspaces?: { packages: Array<string> } | Array<string>;
   packageManager?: string;
 };
 
diff --git a/packages/turbo-workspaces/src/utils.ts b/packages/turbo-workspaces/src/utils.ts
index 829020366958c..ea766a3098e90 100644
--- a/packages/turbo-workspaces/src/utils.ts
+++ b/packages/turbo-workspaces/src/utils.ts
@@ -131,6 +131,22 @@ function expandPaths({
   return paths;
 }
 
+function parseWorkspacePackages({
+  workspaces,
+}: {
+  workspaces: PackageJson["workspaces"];
+}): Array<string> {
+  if (!workspaces) {
+    return [];
+  }
+
+  if ("packages" in workspaces) {
+    return workspaces.packages;
+  }
+
+  return workspaces;
+}
+
 function expandWorkspaces({
   workspaceRoot,
   workspaceGlobs,
@@ -191,6 +207,7 @@ export {
   getWorkspaceInfo,
   expandPaths,
   expandWorkspaces,
+  parseWorkspacePackages,
   getPnpmWorkspaces,
   directoryInfo,
   getMainStep,