diff --git a/.changeset/cool-elephants-leave.md b/.changeset/cool-elephants-leave.md
new file mode 100644
index 00000000000..ea5613fd081
--- /dev/null
+++ b/.changeset/cool-elephants-leave.md
@@ -0,0 +1,5 @@
+---
+"@firebase/auth": patch
+---
+
+Add missing field to `firebase` claim in token result typing
diff --git a/common/api-review/auth.api.md b/common/api-review/auth.api.md
index cf49354d41d..47fc7ec5417 100644
--- a/common/api-review/auth.api.md
+++ b/common/api-review/auth.api.md
@@ -544,6 +544,7 @@ export interface ParsedToken {
     'firebase'?: {
         'sign_in_provider'?: string;
         'sign_in_second_factor'?: string;
+        'identities'?: Record<string, string>;
     };
     'iat'?: string;
     'sub'?: string;
diff --git a/packages/auth/src/model/public_types.ts b/packages/auth/src/model/public_types.ts
index 5aab9972eb0..2536683f5bc 100644
--- a/packages/auth/src/model/public_types.ts
+++ b/packages/auth/src/model/public_types.ts
@@ -101,6 +101,7 @@ export interface ParsedToken {
   'firebase'?: {
     'sign_in_provider'?: string;
     'sign_in_second_factor'?: string;
+    'identities'?: Record<string, string>;
   };
   /** Map of any additional custom claims. */
   [key: string]: string | object | undefined;