diff --git a/templates/backstage-configmap.yaml b/templates/backstage-configmap.yaml
index f8f3dd5..49e0ab9 100644
--- a/templates/backstage-configmap.yaml
+++ b/templates/backstage-configmap.yaml
@@ -50,6 +50,10 @@ data:
           production:
             clientId: ${AUTH_GOOGLE_CLIENT_ID}
             clientSecret: ${AUTH_GOOGLE_CLIENT_SECRET}
+            signIn:
+              resolvers:
+              # See https://backstage.io/docs/auth/google/provider#resolvers for more resolvers
+                - resolver: emailMatchingUserEntityProfileEmail
 
     integrations:
       gitea: