diff --git a/jest.config.ts b/jest.config.ts
index 6b3f2d6e24..c49c9a9d13 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -1,5 +1,6 @@
+import type { Config } from 'jest';
 import { getJestProjectsAsync } from '@nx/jest';
 
-export default async () => ({
+export default async (): Promise<Config> => ({
   projects: await getJestProjectsAsync(),
 });
diff --git a/packages/jest/src/generators/configuration/lib/__snapshots__/create-jest-config.spec.ts.snap b/packages/jest/src/generators/configuration/lib/__snapshots__/create-jest-config.spec.ts.snap
index 1de16d5df6..af7ba926db 100644
--- a/packages/jest/src/generators/configuration/lib/__snapshots__/create-jest-config.spec.ts.snap
+++ b/packages/jest/src/generators/configuration/lib/__snapshots__/create-jest-config.spec.ts.snap
@@ -1,9 +1,10 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`createJestConfig should generate files  1`] = `
-"import { getJestProjectsAsync } from '@nx/jest';
+"import type { Config } from 'jest';
+import { getJestProjectsAsync } from '@nx/jest';
 
-export default async () => ({
+export default async (): Promise<Config> => ({
   projects: await getJestProjectsAsync()
 });"
 `;
diff --git a/packages/jest/src/generators/configuration/lib/create-jest-config.spec.ts b/packages/jest/src/generators/configuration/lib/create-jest-config.spec.ts
index 8a9e690e6b..17e3532719 100644
--- a/packages/jest/src/generators/configuration/lib/create-jest-config.spec.ts
+++ b/packages/jest/src/generators/configuration/lib/create-jest-config.spec.ts
@@ -153,9 +153,10 @@ export default {
         "
       `);
       expect(tree.read('jest.config.ts', 'utf-8'))
-        .toEqual(`import { getJestProjectsAsync } from '@nx/jest';
+        .toEqual(`import type { Config } from 'jest';
+import { getJestProjectsAsync } from '@nx/jest';
 
-export default async () => ({
+export default async (): Promise<Config> => ({
   projects: await getJestProjectsAsync()
 });`);
       expect(readProjectConfiguration(tree, 'my-project').targets.test)
diff --git a/packages/jest/src/generators/configuration/lib/create-jest-config.ts b/packages/jest/src/generators/configuration/lib/create-jest-config.ts
index 91fac54c7c..782c50b1b1 100644
--- a/packages/jest/src/generators/configuration/lib/create-jest-config.ts
+++ b/packages/jest/src/generators/configuration/lib/create-jest-config.ts
@@ -151,9 +151,10 @@ function generateGlobalConfig(tree: Tree, isJS: boolean) {
 module.exports = async () => ({
   projects: await getJestProjectsAsync()
 });`
-    : `import { getJestProjectsAsync } from '@nx/jest';
+    : `import type { Config } from 'jest';
+import { getJestProjectsAsync } from '@nx/jest';
 
-export default async () => ({
+export default async (): Promise<Config> => ({
   projects: await getJestProjectsAsync()
 });`;
   tree.write(`jest.config.${isJS ? 'js' : 'ts'}`, contents);