diff --git a/.changeset/eighty-bobcats-compete.md b/.changeset/eighty-bobcats-compete.md
new file mode 100644
index 00000000000..170c2658fbc
--- /dev/null
+++ b/.changeset/eighty-bobcats-compete.md
@@ -0,0 +1,5 @@
+---
+'@firebase/auth': patch
+---
+
+Add `@internal` tags to fix public typings file.
diff --git a/packages/auth/src/model/id_token.ts b/packages/auth/src/model/id_token.ts
index 601c34e27a7..3fb1a39e631 100644
--- a/packages/auth/src/model/id_token.ts
+++ b/packages/auth/src/model/id_token.ts
@@ -87,6 +87,9 @@ export const enum IdTokenResponseKind {
   VerifyPassword = 'identitytoolkit#VerifyPasswordResponse'
 }
 
+/**
+ * @internal
+ */
 export interface TaggedWithTokenResponse {
   _tokenResponse?: PhoneOrOauthTokenResponse;
 }
diff --git a/packages/auth/src/model/user.ts b/packages/auth/src/model/user.ts
index fd80b4ad212..8393782b343 100644
--- a/packages/auth/src/model/user.ts
+++ b/packages/auth/src/model/user.ts
@@ -90,6 +90,9 @@ export interface UserInternal extends User {
   toJSON(): PersistedBlob;
 }
 
+/**
+ * @internal
+ */
 export interface UserCredentialInternal
   extends UserCredential,
     TaggedWithTokenResponse {