diff --git a/LICENSE b/LICENSE
index 9002ac24..0c7db494 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018 Chair for Applied Software Engineering
+Copyright (c) 2023 TUM Applied Software Engineering
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/package.json b/package.json
index 11de8b44..49128039 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,12 @@
   "private": true,
   "main": "index.js",
   "repository": "git@github.com:ls1intum/Apollon_standalone.git",
-  "author": "Tobias Priesching <tobias.priesching@gmail.com>",
   "license": "MIT",
+  "author": {
+    "name": "Stephan Krusche",
+    "email": "krusche@tum.de",
+    "url": "https://ase.cit.tum.de/krusche"
+  },
   "workspaces": {
     "packages": [
       "packages/*"
diff --git a/packages/server/src/main/resources/conversion-resource.ts b/packages/server/src/main/resources/conversion-resource.ts
index eaba2410..7f5ef2a0 100644
--- a/packages/server/src/main/resources/conversion-resource.ts
+++ b/packages/server/src/main/resources/conversion-resource.ts
@@ -15,10 +15,10 @@ export class ConversionResource {
       if (typeof model === 'string') {
         model = JSON.parse(model);
       }
-      const { svg, clip } = await this.conversionService.convertToSvg(<UMLModel>(<unknown>model));
+      const { svg, clip } = await this.conversionService.convertToSvg((model as unknown) as UMLModel);
       const { width, height } = clip;
       pdfMake.vfs = pdfFonts.pdfMake.vfs;
-      var doc = pdfMake.createPdf({
+      const doc = pdfMake.createPdf({
         content: [
           {
             svg,
diff --git a/packages/server/src/main/resources/diagram-resource.ts b/packages/server/src/main/resources/diagram-resource.ts
index d424abb8..60e4fd24 100644
--- a/packages/server/src/main/resources/diagram-resource.ts
+++ b/packages/server/src/main/resources/diagram-resource.ts
@@ -3,7 +3,7 @@ import { Request, Response } from 'express';
 import pdfMake from 'pdfmake/build/pdfmake.min';
 // @ts-ignore
 import pdfFonts from 'pdfmake/build/vfs_fonts';
-import { DiagramDTO } from '../../../../shared/src/main/diagram-dto';
+import { DiagramDTO } from 'shared/src/main/diagram-dto';
 import { DiagramService } from '../services/diagram-service/diagram-service';
 import { DiagramFileStorageService } from '../services/diagram-storage/diagram-file-storage-service';
 
@@ -47,7 +47,7 @@ export class DiagramResource {
     } else {
       pdfMake.vfs = pdfFonts.pdfMake.vfs;
       const svg = req.body.svg;
-      var doc = pdfMake.createPdf({
+      const doc = pdfMake.createPdf({
         content: [
           {
             svg,
diff --git a/packages/server/src/main/services/collaboration-service/collaboration-service.ts b/packages/server/src/main/services/collaboration-service/collaboration-service.ts
index abeff8ff..e2e504e0 100644
--- a/packages/server/src/main/services/collaboration-service/collaboration-service.ts
+++ b/packages/server/src/main/services/collaboration-service/collaboration-service.ts
@@ -11,7 +11,7 @@ export class CollaborationService {
   private wsServer: any;
   private clients: { [key: string]: Client } = {};
   private diagramService: DiagramFileStorageService;
-  private interval: NodeJS.Timeout;
+  private readonly interval: NodeJS.Timeout;
   constructor() {
     this.wsServer = new WebSocket.Server({ noServer: true });
     this.diagramService = new DiagramFileStorageService();
diff --git a/packages/server/src/main/services/conversion-service/conversion-service.ts b/packages/server/src/main/services/conversion-service/conversion-service.ts
index d8809281..3c42e196 100644
--- a/packages/server/src/main/services/conversion-service/conversion-service.ts
+++ b/packages/server/src/main/services/conversion-service/conversion-service.ts
@@ -3,27 +3,24 @@ import { ApollonEditor, SVG, UMLModel } from '@ls1intum/apollon';
 
 export class ConversionService {
   convertToSvg = async (model: UMLModel): Promise<SVG> => {
-    //@ts-ignore
-    document.body.innerHTML = '<!doctype html><html><body><div></div></body></html>';
+    document.body.innerHTML = '<!doctype html><html lang="en"><body><div></div></body></html>';
 
-    //JSDOM does not support getBBox so we have to mock it here
-    //@ts-ignore
+    // JSDOM does not support getBBox so we have to mock it here
+    // @ts-ignore
     window.SVGElement.prototype.getBBox = () => ({
       x: 0,
       y: 0,
       width: 10,
-      heigth: 10,
+      height: 10,
     });
 
-    //@ts-ignore
+    // @ts-ignore
     const container = document.querySelector('div')!;
 
     const editor = new ApollonEditor(container, {});
 
     editor.model = model;
 
-    const svg: SVG = await editor.exportAsSVG();
-
-    return svg;
+    return editor.exportAsSVG();
   };
 }
diff --git a/packages/webapp/package.json b/packages/webapp/package.json
index 0e45b097..667b92ac 100644
--- a/packages/webapp/package.json
+++ b/packages/webapp/package.json
@@ -12,7 +12,7 @@
     "build:local": "yarn clean && DEPLOYMENT_URL=http://localhost:8080 webpack --config ./webpack/webpack.prod.js"
   },
   "engines": {
-    "node": ">=14.1.0",
+    "node": ">=18.14.0",
     "yarn": ">=1.22.0"
   },
   "dependencies": {