diff --git a/server/package.json b/server/package.json
index 993f090..23b3adb 100644
--- a/server/package.json
+++ b/server/package.json
@@ -21,13 +21,13 @@
   "homepage": "https://github.com/hastic/hastic-server#readme",
   "dependencies": {},
   "devDependencies": {
-    "@types/es6-promisify": "^6.0.0",
     "@types/jest": "^23.1.1",
-    "@types/koa": "^2.0.45",
+    "@types/koa": "^2.0.46",
     "@types/koa-bodyparser": "^4.2.0",
-    "@types/koa-router": "^7.0.28",
+    "@types/koa-router": "^7.0.31",
     "@types/lodash": "^4.14.116",
     "@types/nedb": "^1.8.0",
+    "@types/zeromq": "^4.6.0",
     "axios": "^0.18.0",
     "babel-core": "^6.26.3",
     "babel-jest": "^23.4.2",
@@ -39,15 +39,15 @@
     "event-stream": "^3.3.4",
     "file-loader": "^1.1.11",
     "jest": "^23.1.1",
-    "koa": "^2.5.1",
-    "koa-bodyparser": "^4.2.1",
-    "koa-router": "^7.4.0",
+    "koa": "^2.0.46",
+    "koa-bodyparser": "^4.2.0",
+    "koa-router": "^7.0.31",
     "lodash": "^4.17.10",
     "nedb": "^1.8.0",
     "node-loader": "^0.6.0",
     "nodemon": "^1.17.5",
-    "ts-loader": "^4.4.1",
     "ts-jest": "^23.1.1",
+    "ts-loader": "^4.4.1",
     "typescript": "^2.8.3",
     "webpack": "^4.12.0",
     "webpack-cli": "^3.0.8",
diff --git a/server/src/services/analytics_service.ts b/server/src/services/analytics_service.ts
index c79cf21..4c7ab22 100644
--- a/server/src/services/analytics_service.ts
+++ b/server/src/services/analytics_service.ts
@@ -2,7 +2,7 @@ import { AnalyticsTask } from '../models/analytics_task_model';
 import { AnalyticsMessageMethod, AnalyticsMessage } from '../models/analytics_message_model';
 import * as config from '../config';
 
-const zmq = require('zeromq');
+import * as zmq from 'zeromq';
 
 import * as childProcess from 'child_process'
 import * as fs from 'fs';
@@ -208,7 +208,7 @@ export class AnalyticsService {
   }
 
   private static async createIPCAddress(): Promise<{ address: string, file: string }> {
-    let filename = `${process.pid}.ipc`
+    let filename = `${process.pid}.ipc`;
     let p = path.join(config.ZMQ_IPC_PATH, filename);
     fs.writeFileSync(p, '');
     return Promise.resolve({ address: 'ipc://' + p, file: p });