diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cfbf3cc7..12a4acb15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Deprecated `firstOrderDate` in favor of `dateOfFirstActivity` in the `GET api/v2/portfolio/performance` endpoint
+- Upgraded `prettier` from version `3.8.4` to `3.9.6`
 
 ## 3.34.0 - 2026-07-25
 
diff --git a/package-lock.json b/package-lock.json
index 7b913f48a..6469605ab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -155,7 +155,7 @@
         "jest-environment-jsdom": "30.2.0",
         "jest-preset-angular": "16.0.0",
         "nx": "23.0.2",
-        "prettier": "3.8.4",
+        "prettier": "3.9.6",
         "prettier-plugin-organize-attributes": "1.0.0",
         "prisma": "7.8.0",
         "react": "18.2.0",
@@ -29112,9 +29112,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.8.4",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.4.tgz",
-      "integrity": "sha512-N2MylSdi48+5N/6S5j+maeHbUSIzzZ5uOcX5Hm4QpV8Dkb1HFjfAKTKX6yNPJQD9AhcT3ifHNB66tWTTJDi11Q==",
+      "version": "3.9.6",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.6.tgz",
+      "integrity": "sha512-OpN0zzVdiaiAhxpuuj5efpIS4sY9j7bY6uR5mnj5yPzGkdkjNKSJeUThPb60Jw29QuAZgA4o+/iB49kFiaBX6g==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/package.json b/package.json
index efdd9432d..ed1b30198 100644
--- a/package.json
+++ b/package.json
@@ -199,7 +199,7 @@
     "jest-environment-jsdom": "30.2.0",
     "jest-preset-angular": "16.0.0",
     "nx": "23.0.2",
-    "prettier": "3.8.4",
+    "prettier": "3.9.6",
     "prettier-plugin-organize-attributes": "1.0.0",
     "prisma": "7.8.0",
     "react": "18.2.0",