diff --git a/CHANGELOG.md b/CHANGELOG.md
index fcefd5644..d4043459f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Improved the labels of the assistant
 - Improved the caching of the portfolio snapshot in the portfolio calculator by expiring cache entries immediately in case of errors
 - Extracted the historical market data editor to a reusable component
+- Upgraded `prettier` from version `3.3.3` to `3.4.2`
 
 ## 2.125.0 - 2024-11-30
 
diff --git a/package-lock.json b/package-lock.json
index 0b93a63b8..be8e0a412 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -149,7 +149,7 @@
         "jest-environment-jsdom": "29.7.0",
         "jest-preset-angular": "14.1.0",
         "nx": "20.1.2",
-        "prettier": "3.3.3",
+        "prettier": "3.4.2",
         "prettier-plugin-organize-attributes": "1.0.0",
         "prisma": "6.0.0",
         "react": "18.2.0",
@@ -29419,9 +29419,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz",
-      "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.2.tgz",
+      "integrity": "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/package.json b/package.json
index 24e0d64a4..668422621 100644
--- a/package.json
+++ b/package.json
@@ -195,7 +195,7 @@
     "jest-environment-jsdom": "29.7.0",
     "jest-preset-angular": "14.1.0",
     "nx": "20.1.2",
-    "prettier": "3.3.3",
+    "prettier": "3.4.2",
     "prettier-plugin-organize-attributes": "1.0.0",
     "prisma": "6.0.0",
     "react": "18.2.0",