diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ada391c9..f116e345b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### dependabot: \#8 build(deps): bump flatted from 3.2.2 to 3.4.2
+
 ## [10.0.0] - 2026-02-24
 
 - Added support for React 19
diff --git a/yarn.lock b/yarn.lock
index 68449319a..4a3d8e8af 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8827,9 +8827,9 @@ flat-cache@^3.0.4:
     rimraf "^3.0.2"
 
 flatted@^3.1.0:
-  version "3.2.2"
-  resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.2.2.tgz#64bfed5cb68fe3ca78b3eb214ad97b63bedce561"
-  integrity sha512-JaTY/wtrcSyvXJl4IMFHPKyFur1sE9AUqc0QnhOaJ0CxHtAoIV8pYDzeEfAaNEtGkOfq4gr3LBFmdXW5mOQFnA==
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.4.2.tgz#f5c23c107f0f37de8dbdf24f13722b3b98d52726"
+  integrity sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==
 
 flush-write-stream@^1.0.0:
   version "1.1.1"