diff --git a/dist/smartdata.classes.dbdoc.js b/dist/smartdata.classes.dbdoc.js
index 5e3bdaf..79f319c 100644
--- a/dist/smartdata.classes.dbdoc.js
+++ b/dist/smartdata.classes.dbdoc.js
@@ -58,4 +58,4 @@ class DbDoc {
     }
 }
 exports.DbDoc = DbDoc;
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diff --git a/package.json b/package.json
index 3869905..1c0b31f 100644
--- a/package.json
+++ b/package.json
@@ -19,18 +19,18 @@
   },
   "homepage": "https://gitlab.com/pushrocks/smartdata#README",
   "dependencies": {
-    "@types/lodash": "^4.14.69",
-    "@types/mongodb": "^2.2.7",
+    "@types/lodash": "^4.14.74",
+    "@types/mongodb": "^2.2.11",
     "beautylog": "^6.1.10",
-    "lik": "^1.0.38",
+    "lik": "^1.0.40",
     "lodash": "^4.17.4",
-    "mongodb": "^2.2.30",
+    "mongodb": "^2.2.31",
     "runtime-type-checks": "0.0.4",
     "smartq": "^1.1.6",
-    "typings-global": "^1.0.19"
+    "typings-global": "^1.0.20"
   },
   "devDependencies": {
-    "@types/shelljs": "^0.7.2",
+    "@types/shelljs": "^0.7.4",
     "qenv": "^1.1.7",
     "shelljs": "^0.7.8",
     "smartstring": "^2.0.24",
diff --git a/test/test.class.ts b/test/test.class.ts
index bbd59b5..9fb4056 100644
--- a/test/test.class.ts
+++ b/test/test.class.ts
@@ -5,13 +5,13 @@ import { Qenv } from 'qenv'
 let testQenv = new Qenv(process.cwd(), process.cwd() + '/.nogit/')
 
 // the tested module
-import * as smartdata from '../dist/index'
+import * as smartdata from '../ts/index'
 
 let mongoChildProcess
 let testDb: smartdata.Db
 
 tap.test('should establish a connection to mongodb', async () => {
-    testDb = new smartdata.Db(`mongodb://${process.env.MONGO_USER}:${process.env.MONGO_PASS}@sandbox-shard-00-00-uyw7y.mongodb.net:27017,sandbox-shard-00-01-uyw7y.mongodb.net:27017,sandbox-shard-00-02-uyw7y.mongodb.net:27017/${process.env.MONGO_DATABASE}?ssl=true&replicaSet=sandbox-shard-0&authSource=admin`)
+  testDb = new smartdata.Db(`mongodb://${process.env.MONGO_USER}:${process.env.MONGO_PASS}@sandbox-shard-00-00-uyw7y.mongodb.net:27017,sandbox-shard-00-01-uyw7y.mongodb.net:27017,sandbox-shard-00-02-uyw7y.mongodb.net:27017/${process.env.MONGO_DATABASE}?ssl=true&replicaSet=sandbox-shard-0&authSource=admin`)
   await testDb.connect()
 })
 
diff --git a/test/test.ts b/test/test.ts
index e1ccdae..af5b386 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -5,7 +5,7 @@ import { Qenv } from 'qenv'
 let testQenv = new Qenv(process.cwd(), process.cwd() + '/.nogit/')
 
 // the tested module
-import * as smartdata from '../dist/index'
+import * as smartdata from '../ts/index'
 
 let mongoChildProcess
 let testDb: smartdata.Db
diff --git a/ts/smartdata.classes.dbdoc.ts b/ts/smartdata.classes.dbdoc.ts
index 336ad2e..5a2eaab 100644
--- a/ts/smartdata.classes.dbdoc.ts
+++ b/ts/smartdata.classes.dbdoc.ts
@@ -52,7 +52,7 @@ export class DbDoc<T> {
    * saves this instance but not any connected items
    * may lead to data inconsistencies, but is faster
    */
-  save() {
+  save () {
     let saveableObject: any = {} // is not exposed to outside, so any is ok here
     for (let propertyNameString of this.saveableProperties) {
       saveableObject[ propertyNameString ] = this[ propertyNameString ]
@@ -70,14 +70,14 @@ export class DbDoc<T> {
    * also store any referenced objects to DB
    * better for data consistency
    */
-  saveDeep(savedMapArg: Objectmap<DbDoc<any>> = null) {
+  saveDeep (savedMapArg: Objectmap<DbDoc<any>> = null) {
     if (!savedMapArg) {
       savedMapArg = new Objectmap<DbDoc<any>>()
     }
     savedMapArg.add(this)
     this.save()
     for (let propertyKey in this) {
-      let property = this[ propertyKey ]
+      let property: any = this[ propertyKey ]
       if (property instanceof DbDoc && !savedMapArg.checkForObject(property)) {
         property.saveDeep(savedMapArg)
       }