diff --git a/CHANGELOG.md b/CHANGELOG.md
index da4eada..f04b84e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Change `client` field type in `SentinelMeta` from `ClientId` enum to `string` for flexible device identification ([#562](https://github.com/MetaMask/smart-transactions-controller/pull/562))
+
 ## [22.2.0]
 
 ### Added
diff --git a/src/types.ts b/src/types.ts
index 5f3085b..20378f2 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -8,7 +8,7 @@ export type SentinelMeta = {
   txType?: TransactionType;
   feature?: Feature;
   kind?: Kind;
-  client?: ClientId;
+  client?: string;
   wallet?: string;
 };