diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f3350b0..bca0ed95 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ The file format of it is based on [Keep a Changelog](http://keepachangelog.com/e
 For public Changelog covering all changes done to Pipedrive’s API, webhooks and app extensions platforms, see [public Changelog](https://pipedrive.readme.io/docs/changelog) with discussion area in [Developers Community](https://devcommunity.pipedrive.com/c/documentation/changelog/19).
 
 ## [Unreleased]
+### Changed
+- Updated `flatted` dependency to version 3.4.2
 
 ## [32.2.0] - 2026-04-14
 ### Added
diff --git a/package-lock.json b/package-lock.json
index ff836102..7957c4c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5282,10 +5282,11 @@
       }
     },
     "node_modules/flatted": {
-      "version": "3.2.7",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.2.7.tgz",
-      "integrity": "sha512-5nqDSxl8nn5BSNxyR3n4I6eDmbolI6WT+QqR547RwxQapgjQBmtktdP+HTBb/a/zLsbzERTONyUB5pefh5TtjQ==",
-      "dev": true
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.4.2.tgz",
+      "integrity": "sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==",
+      "dev": true,
+      "license": "ISC"
     },
     "node_modules/follow-redirects": {
       "version": "1.15.11",
diff --git a/package.json b/package.json
index f9af4bb9..c0eb49f3 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,8 @@
     "typescript-eslint": "^8.56.1"
   },
   "overrides": {
-    "serialize-javascript": "^7.0.4"
+    "serialize-javascript": "^7.0.4",
+    "flatted": ">=3.4.0"
   },
   "lint-staged": {
     "*.{ts,js}": [