diff --git a/terraform/keycloak/main.tf b/terraform/keycloak/main.tf
index ce7b9ad..4a8788d 100644
--- a/terraform/keycloak/main.tf
+++ b/terraform/keycloak/main.tf
@@ -25,6 +25,7 @@ resource "keycloak_realm" "hexor" {
     relying_party_id                  = "hexor.cy"
     signature_algorithms              = ["ES256", "RS256"]
     user_verification_requirement     = "required"
+    require_resident_key              = "Yes"
     attestation_conveyance_preference = "none"
   }
 }