diff --git a/packages/node-cache-manager-mongodb/src/lib/node-cache-manager-mongodb.spec.ts b/packages/node-cache-manager-mongodb/src/lib/node-cache-manager-mongodb.spec.ts
index 3522824d..38031e99 100644
--- a/packages/node-cache-manager-mongodb/src/lib/node-cache-manager-mongodb.spec.ts
+++ b/packages/node-cache-manager-mongodb/src/lib/node-cache-manager-mongodb.spec.ts
@@ -1,4 +1,5 @@
 import { caching } from 'cache-manager'
+import { MongoClient } from 'mongodb'
 
 import { mongoDbStore, MongoCache } from './node-cache-manager-mongodb'
 
@@ -325,3 +326,15 @@ describe('databaseName', () => {
     await baseCache.reset()
   })
 })
+
+describe('reusing Mongo client', () => {
+  it('should reuse the client', async () => {
+    const mongoClient = new MongoClient('mongodb://localhost:27017')
+    const cache = await caching(mongoDbStore, {
+      client: mongoClient,
+    })
+
+    await cache.set('foo', 'bar')
+    expect(cache.store.client).toEqual(mongoClient)
+  })
+})
diff --git a/packages/node-cache-manager-mongodb/src/lib/node-cache-manager-mongodb.ts b/packages/node-cache-manager-mongodb/src/lib/node-cache-manager-mongodb.ts
index 844250cc..20d4d36e 100644
--- a/packages/node-cache-manager-mongodb/src/lib/node-cache-manager-mongodb.ts
+++ b/packages/node-cache-manager-mongodb/src/lib/node-cache-manager-mongodb.ts
@@ -19,6 +19,7 @@ type Args = {
   mongoConfig?: MongoClientOptions
   collectionName?: string
   databaseName?: string
+  client?: MongoClient
 } & Config