diff --git a/sdk/identity/identity/CHANGELOG.md b/sdk/identity/identity/CHANGELOG.md
index 70d87a9187c..fc2d484736d 100644
--- a/sdk/identity/identity/CHANGELOG.md
+++ b/sdk/identity/identity/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 - Added support for the field `refreshAfterTimestamp` in `AccessToken` [#30402](https://github.com/Azure/azure-sdk-for-js/pull/30402)
 - Added support for providing an object ID to `ManagedIdentityCredential`. [#30771](https://github.com/Azure/azure-sdk-for-js/pull/30771)
+- Added support for token cache persistence via the `CredentialTokenPersistence` options to the `ClientAssertionCredential`. [#31129](https://github.com/Azure/azure-sdk-for-js/pull/31129)
 
 ### Breaking Changes
 
diff --git a/sdk/identity/identity/review/identity.api.md b/sdk/identity/identity/review/identity.api.md
index 894fbf1c542..cf226378f80 100644
--- a/sdk/identity/identity/review/identity.api.md
+++ b/sdk/identity/identity/review/identity.api.md
@@ -177,7 +177,7 @@ export class ClientAssertionCredential implements TokenCredential {
 }
 
 // @public
-export interface ClientAssertionCredentialOptions extends MultiTenantTokenCredentialOptions, AuthorityValidationOptions {
+export interface ClientAssertionCredentialOptions extends MultiTenantTokenCredentialOptions, CredentialPersistenceOptions, AuthorityValidationOptions {
 }
 
 // @public
diff --git a/sdk/identity/identity/src/credentials/clientAssertionCredentialOptions.ts b/sdk/identity/identity/src/credentials/clientAssertionCredentialOptions.ts
index 3d10fbd02cb..949a10f2daf 100644
--- a/sdk/identity/identity/src/credentials/clientAssertionCredentialOptions.ts
+++ b/sdk/identity/identity/src/credentials/clientAssertionCredentialOptions.ts
@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 
 import { AuthorityValidationOptions } from "./authorityValidationOptions";
+import { CredentialPersistenceOptions } from "./credentialPersistenceOptions";
 import { MultiTenantTokenCredentialOptions } from "./multiTenantTokenCredentialOptions";
 
 /**
@@ -9,4 +10,5 @@ import { MultiTenantTokenCredentialOptions } from "./multiTenantTokenCredentialO
  */
 export interface ClientAssertionCredentialOptions
   extends MultiTenantTokenCredentialOptions,
+    CredentialPersistenceOptions,
     AuthorityValidationOptions {}