diff --git a/types/mongoose/index.d.ts b/types/mongoose/index.d.ts
index 261b8ade84..7e45ea835a 100644
--- a/types/mongoose/index.d.ts
+++ b/types/mongoose/index.d.ts
@@ -364,6 +364,49 @@ declare module "mongoose" {
     pass?: string;
     /** options for authentication (see http://mongodb.github.com/node-mongodb-native/api-generated/db.html#authenticate) */
     auth?: any;
+    /** Use ssl connection (needs to have a mongod server with ssl support) (default: true) */
+    ssl?: boolean;
+    /** Number of connections in the connection pool for each server instance, set to 5 as default for legacy reasons. */
+    sslValidate?: object;
+    /** Reconnect on error (default: true) */
+    poolSize?: number;
+    /** Validate mongod server certificate against ca (needs to have a mongod server with ssl support, 2.4 or higher) */
+    autoReconnect?: boolean;
+    /** TCP KeepAlive on the socket with a X ms delay before start (default: 0). */
+    keepAlive?: number;
+    /** TCP Connection timeout setting (default: 0) */
+    connectTimeoutMS?: number;
+    /** TCP Socket timeout setting (default: 0) */
+    socketTimeoutMS?: number;
+    /** If the database authentication is dependent on another databaseName. */
+    authSource?: string;
+    /** Attempt to reconnect #times (default: 30) */
+    retries?: number;
+    /** Will wait # milliseconds between retries (default: 1000) */
+    reconnectWait?: number;
+    /** The name of the replicaset to connect to. */
+    replicaSet?: string;
+    /** The current value of the parameter native_parser */
+    nativeParser?: boolean;
+    /** Auth mechanism */
+    authMechanism?: any;
+    /** Specify a journal write concern (default: false). */
+    journal?: boolean;
+    /** The write concern */
+    w?: number|string;
+    /** The write concern timeout. */
+    wTimeoutMS?: number;
+    /** The ReadPreference mode as listed here: http://mongodb.github.io/node-mongodb-native/2.1/api/ReadPreference.html */
+    readPreference?: string;
+    /** An object representing read preference tags, see: http://mongodb.github.io/node-mongodb-native/2.1/api/ReadPreference.html */
+    readPreferencetags?: object;
+
+    // TODO
+    safe?: any;
+    fsync?: any;
+    rs_name?: any;
+    slaveOk?: any;
+    authdb?: any;
   }
 
   /** See the node-mongodb-native driver instance for options that it understands. */