diff --git a/.changeset/lucky-spiders-impress.md b/.changeset/lucky-spiders-impress.md
new file mode 100644
index 0000000000..270ecf7a7c
--- /dev/null
+++ b/.changeset/lucky-spiders-impress.md
@@ -0,0 +1,6 @@
+---
+'@backstage/core-components': patch
+'@backstage/core-plugin-api': patch
+---
+
+Switched frontend identity code to use `token` instead of the deprecated `idToken` field
diff --git a/packages/core-components/src/layout/SignInPage/SignInPage.tsx b/packages/core-components/src/layout/SignInPage/SignInPage.tsx
index 1ccce80e59..d19574999f 100644
--- a/packages/core-components/src/layout/SignInPage/SignInPage.tsx
+++ b/packages/core-components/src/layout/SignInPage/SignInPage.tsx
@@ -130,7 +130,7 @@ export const SingleSignInPage = ({
           userId: identity!.id,
           profile: profile!,
           getIdToken: () => {
-            return authApi.getBackstageIdentity().then(i => i!.idToken);
+            return authApi.getBackstageIdentity().then(i => i!.token);
           },
           signOut: async () => {
             await authApi.signOut();
diff --git a/packages/core-components/src/layout/SignInPage/auth0Provider.tsx b/packages/core-components/src/layout/SignInPage/auth0Provider.tsx
index f105cd4716..2f5c8b5edb 100644
--- a/packages/core-components/src/layout/SignInPage/auth0Provider.tsx
+++ b/packages/core-components/src/layout/SignInPage/auth0Provider.tsx
@@ -40,7 +40,7 @@ const Component: ProviderComponent = ({ onResult }) => {
         userId: identity!.id,
         profile: profile!,
         getIdToken: () =>
-          auth0AuthApi.getBackstageIdentity().then(i => i!.idToken),
+          auth0AuthApi.getBackstageIdentity().then(i => i!.token),
         signOut: async () => {
           await auth0AuthApi.signOut();
         },
@@ -82,7 +82,7 @@ const loader: ProviderLoader = async apis => {
   return {
     userId: identity.id,
     profile: profile!,
-    getIdToken: () => auth0AuthApi.getBackstageIdentity().then(i => i!.idToken),
+    getIdToken: () => auth0AuthApi.getBackstageIdentity().then(i => i!.token),
     signOut: async () => {
       await auth0AuthApi.signOut();
     },
diff --git a/packages/core-components/src/layout/SignInPage/commonProvider.tsx b/packages/core-components/src/layout/SignInPage/commonProvider.tsx
index bd46e6fa58..6f8339bcf3 100644
--- a/packages/core-components/src/layout/SignInPage/commonProvider.tsx
+++ b/packages/core-components/src/layout/SignInPage/commonProvider.tsx
@@ -86,7 +86,7 @@ const loader: ProviderLoader = async (apis, apiRef) => {
   return {
     userId: identity.id,
     profile: profile!,
-    getIdToken: () => authApi.getBackstageIdentity().then(i => i!.idToken),
+    getIdToken: () => authApi.getBackstageIdentity().then(i => i!.token),
     signOut: async () => {
       await authApi.signOut();
     },
diff --git a/packages/core-plugin-api/src/apis/definitions/auth.ts b/packages/core-plugin-api/src/apis/definitions/auth.ts
index c786b43fc3..9e0a3a03e3 100644
--- a/packages/core-plugin-api/src/apis/definitions/auth.ts
+++ b/packages/core-plugin-api/src/apis/definitions/auth.ts
@@ -151,9 +151,15 @@ export type BackstageIdentity = {
   id: string;
 
   /**
-   * An ID token that can be used to authenticate the user within Backstage.
+   * This is deprecated, use `token` instead.
+   * @deprecated
    */
   idToken: string;
+
+  /**
+   * The token used to authenticate the user within Backstage.
+   */
+  token: string;
 };
 
 /**