diff --git a/.changeset/funny-cups-count.md b/.changeset/funny-cups-count.md
new file mode 100644
index 0000000000..19dbc3b8bf
--- /dev/null
+++ b/.changeset/funny-cups-count.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-gcalendar': patch
+---
+
+Pass user info email scope on auth refresh to resolve invalid credentials error
diff --git a/plugins/gcalendar/src/hooks/useSignIn.ts b/plugins/gcalendar/src/hooks/useSignIn.ts
index 351707b54e..3dbc778cf1 100644
--- a/plugins/gcalendar/src/hooks/useSignIn.ts
+++ b/plugins/gcalendar/src/hooks/useSignIn.ts
@@ -25,7 +25,10 @@ export const useSignIn = () => {
   const signIn = useCallback(
     async (optional = false) => {
       const token = await authApi.getAccessToken(
-        'https://www.googleapis.com/auth/calendar.readonly',
+        [
+          'https://www.googleapis.com/auth/calendar.readonly',
+          'https://www.googleapis.com/auth/userinfo.email',
+        ],
         {
           optional,
           instantPopup: !optional,