diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99053bb5..149eee3f 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]
 
+### Added
+
+- Add Stellar CAIP namespace ([#278](https://github.com/MetaMask/utils/pull/278))
+
 ## [11.10.0]
 
 ### Added
diff --git a/src/caip-types.ts b/src/caip-types.ts
index b921a395..416026ee 100644
--- a/src/caip-types.ts
+++ b/src/caip-types.ts
@@ -136,6 +136,8 @@ export enum KnownCaipNamespace {
   Bip122 = 'bip122',
   /** Solana compatible chains */
   Solana = 'solana',
+  /** Stellar compatible chains */
+  Stellar = 'stellar',
   /** Tron compatible chains */
   Tron = 'tron',
   /** EIP-155 compatible chains. */