diff --git a/types/mongoose/index.d.ts b/types/mongoose/index.d.ts
index 29b91902c2..559804c0f0 100644
--- a/types/mongoose/index.d.ts
+++ b/types/mongoose/index.d.ts
@@ -542,6 +542,12 @@ declare module "mongoose" {
     getIndexes(): any;
   }
 
+  interface ConnectionUseDbOptions {
+    /**
+     * If true, cache results so calling `useDb()` multiple times with the same name only creates 1 connection object.
+     */
+    useCache?: boolean;
+  }
   /*
    * section drivers/node-mongodb-native/connection.js
    * http://mongoosejs.com/docs/api.html#drivers-node-mongodb-native-connection-js
@@ -550,9 +556,10 @@ declare module "mongoose" {
     /**
      * Switches to a different database using the same connection pool.
      * @param name The database name
+     * @param options Additional options
      * @returns New Connection Object
      */
-    useDb(name: string): Connection;
+    useDb(name: string, options?: ConnectionUseDbOptions): Connection;
 
     startSession(options?: mongodb.SessionOptions, cb?: (err: any, session: mongodb.ClientSession) => void): Promise<mongodb.ClientSession>;
 
diff --git a/types/mongoose/test/mongoose.ts b/types/mongoose/test/mongoose.ts
index df81918f0e..9ff5fb5295 100644
--- a/types/mongoose/test/mongoose.ts
+++ b/types/mongoose/test/mongoose.ts
@@ -174,6 +174,9 @@ conn1.name.toLowerCase()
 conn1.host.toLowerCase()
 conn1.port.toFixed()
 conn1.useDb('myDb').useDb('');
+conn1.useDb('myDb').useDb('', {});
+conn1.useDb('myDb').useDb('', {useCache: false});
+conn1.useDb('myDb').useDb('', {useCache: true});
 mongoose.Connection.STATES.hasOwnProperty('');
 mongoose.Connection.STATES.disconnected === 0;
 mongoose.Connection.STATES.connected === 1;