diff --git a/backend/src/entities/content/learning-object-identifier.ts b/backend/src/entities/content/learning-object-identifier.ts
index b7802ddd..09a9c057 100644
--- a/backend/src/entities/content/learning-object-identifier.ts
+++ b/backend/src/entities/content/learning-object-identifier.ts
@@ -1,4 +1,4 @@
-import { Language } from "@dwengo-1/common/util/language";
+import { Language } from '@dwengo-1/common/util/language';
 
 export class LearningObjectIdentifier {
     constructor(
diff --git a/backend/src/services/learning-objects/dwengo-api-learning-object-provider.ts b/backend/src/services/learning-objects/dwengo-api-learning-object-provider.ts
index ffa57814..d67b69ae 100644
--- a/backend/src/services/learning-objects/dwengo-api-learning-object-provider.ts
+++ b/backend/src/services/learning-objects/dwengo-api-learning-object-provider.ts
@@ -69,7 +69,7 @@ async function fetchLearningObjects(learningPathId: LearningPathIdentifier, full
             nodes.map(async (node) => {
                 const learningObjectId: LearningObjectIdentifier = {
                     hruid: node.learningobject_hruid,
-                    language: learningPathId.language
+                    language: learningPathId.language,
                 };
                 return dwengoApiLearningObjectProvider.getLearningObjectById(learningObjectId);
             })
diff --git a/backend/src/services/learning-objects/learning-object-service.ts b/backend/src/services/learning-objects/learning-object-service.ts
index 69004ae1..5a06f0f2 100644
--- a/backend/src/services/learning-objects/learning-object-service.ts
+++ b/backend/src/services/learning-objects/learning-object-service.ts
@@ -2,11 +2,7 @@ import dwengoApiLearningObjectProvider from './dwengo-api-learning-object-provid
 import { LearningObjectProvider } from './learning-object-provider.js';
 import { envVars, getEnvVar } from '../../util/envVars.js';
 import databaseLearningObjectProvider from './database-learning-object-provider.js';
-import {
-    FilteredLearningObject,
-    LearningObjectIdentifier,
-    LearningPathIdentifier,
-} from '@dwengo-1/common/interfaces/learning-content';
+import { FilteredLearningObject, LearningObjectIdentifier, LearningPathIdentifier } from '@dwengo-1/common/interfaces/learning-content';
 
 function getProvider(id: LearningObjectIdentifier): LearningObjectProvider {
     if (id.hruid.startsWith(getEnvVar(envVars.UserContentPrefix))) {
diff --git a/backend/src/services/questions.ts b/backend/src/services/questions.ts
index 6609a813..f92efae0 100644
--- a/backend/src/services/questions.ts
+++ b/backend/src/services/questions.ts
@@ -78,7 +78,7 @@ export async function createQuestion(questionDTO: QuestionDTO): Promise<Question
     const loId: LearningObjectIdentifier = {
         ...questionDTO.learningObjectIdentifier,
         version: questionDTO.learningObjectIdentifier.version ?? 1,
-    }
+    };
 
     try {
         await questionRepository.createQuestion({
@@ -102,10 +102,10 @@ export async function deleteQuestion(questionId: QuestionId): Promise<QuestionDT
         return null;
     }
 
-    const loId : LearningObjectIdentifier = {
+    const loId: LearningObjectIdentifier = {
         ...questionId.learningObjectIdentifier,
-        version: questionId.learningObjectIdentifier.version ?? 1
-    }
+        version: questionId.learningObjectIdentifier.version ?? 1,
+    };
 
     try {
         await questionRepository.removeQuestionByLearningObjectAndSequenceNumber(loId, questionId.sequenceNumber);
diff --git a/backend/src/util/links.ts b/backend/src/util/links.ts
index 41cd6cac..9ede7d12 100644
--- a/backend/src/util/links.ts
+++ b/backend/src/util/links.ts
@@ -1,4 +1,4 @@
-import { LearningObjectIdentifier } from "@dwengo-1/common/interfaces/learning-content";
+import { LearningObjectIdentifier } from '@dwengo-1/common/interfaces/learning-content';
 
 export function isValidHttpUrl(url: string): boolean {
     try {
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 14f53f22..1ddfe1e0 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -3,7 +3,7 @@
     "include": ["src/**/*.ts"],
     "compilerOptions": {
         "rootDir": "./src",
-        "outDir": "./dist",
+        "outDir": "./dist"
     },
     "references": [
         {
diff --git a/common/package.json b/common/package.json
index c549e085..7eef4ded 100644
--- a/common/package.json
+++ b/common/package.json
@@ -4,7 +4,9 @@
     "description": "Common types and utilities for Dwengo-1",
     "private": true,
     "type": "module",
-    "files": [ "./dist" ],
+    "files": [
+        "./dist"
+    ],
     "scripts": {
         "build": "tsc --build",
         "clean": "tsc --build --clean",
diff --git a/common/src/interfaces/learning-content.ts b/common/src/interfaces/learning-content.ts
index a8ddc171..02e49648 100644
--- a/common/src/interfaces/learning-content.ts
+++ b/common/src/interfaces/learning-content.ts
@@ -1,4 +1,4 @@
-import { Language } from "../util/language";
+import { Language } from '../util/language';
 
 export interface Transition {
     default: boolean;
diff --git a/eslint.config.ts b/eslint.config.ts
index 12943414..fb19e5c4 100644
--- a/eslint.config.ts
+++ b/eslint.config.ts
@@ -24,7 +24,7 @@ export default [
             '**/prettier.config.js',
             'docs/.venv/**',
             'prettier.config.js',
-            'frontend/prettier.config.js'
+            'frontend/prettier.config.js',
         ],
         files: ['**/*.ts', '**/*.cts', '**.*.mts'],
     },
@@ -214,6 +214,6 @@ export default [
             'no-multi-assign': 'error',
             'no-nested-ternary': 'error',
             'no-object-constructor': 'error',
-        }
+        },
     },
 ];
diff --git a/tsconfig.json b/tsconfig.json
index 5e1fd98c..1da18198 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,7 +4,7 @@
 
         /* Projects */
         // "incremental": true,                              /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
-        "composite": true,                                   /* Enable constraints that allow a TypeScript project to be used with project references. */
+        "composite": true /* Enable constraints that allow a TypeScript project to be used with project references. */,
         // "tsBuildInfoFile": "./.tsbuildinfo",              /* Specify the path to .tsbuildinfo incremental compilation file. */
         // "disableSourceOfProjectReferenceRedirect": true,  /* Disable preferring source files instead of declaration files when referencing composite projects. */
         // "disableSolutionSearching": true,                 /* Opt a project out of multi-project reference checking when editing. */
@@ -59,10 +59,10 @@
         // "maxNodeModuleJsDepth": 1,                        /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
 
         /* Emit */
-        "declaration": true,                                 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
-        "declarationMap": true,                              /* Create sourcemaps for d.ts files. */
+        "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
+        "declarationMap": true /* Create sourcemaps for d.ts files. */,
         // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
-        "sourceMap": true,                                   /* Create source map files for emitted JavaScript files. */
+        "sourceMap": true /* Create source map files for emitted JavaScript files. */,
         // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
         // "noEmit": true,                                   /* Disable emitting files from a compilation. */
         // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */