diff --git a/internal/controller/apiapp_controller.go b/internal/controller/apiapp_controller.go
index bbabf21..836e35b 100644
--- a/internal/controller/apiapp_controller.go
+++ b/internal/controller/apiapp_controller.go
@@ -184,11 +184,11 @@ func (wr *wrappedAPIAppReconciler) reconcileApp(ctx context.Context, ztdClient *
 			Name:      wr.APIApp.ClientSecretName(),
 			Namespace: wr.APIApp.Namespace,
 		}
-
 		secretData := map[string][]byte{
 			"clientSecret": []byte(resp.GetApiConfiguration().ClientSecret),
 			"appId":        []byte(resp.ApplicationId),
 			"clientId":     []byte(resp.GetApiConfiguration().ClientId),
+			"projectId":    []byte(projectRef.ID),
 		}
 		secret, err := wr.Builder.BuildSecret(builder.SecretOpts{Immutable: false, Key: key, Data: secretData}, wr.APIApp)
 		if err != nil {
diff --git a/internal/controller/oidcapp_controller.go b/internal/controller/oidcapp_controller.go
index 4c011d2..b417c22 100644
--- a/internal/controller/oidcapp_controller.go
+++ b/internal/controller/oidcapp_controller.go
@@ -191,7 +191,9 @@ func (wr *wrappedOIDCAppReconciler) Reconcile(ctx context.Context, ztdClient *cl
 			Namespace: wr.OIDCApp.Namespace,
 		}
 
-		secretData := map[string][]byte{"clientSecret": []byte(resp.GetOidcConfiguration().ClientSecret), "appId": []byte(resp.ApplicationId), "clientId": []byte(resp.GetOidcConfiguration().ClientId)}
+		secretData := map[string][]byte{"clientSecret": []byte(resp.GetOidcConfiguration().ClientSecret),
+			"appId": []byte(resp.ApplicationId), "clientId": []byte(resp.GetOidcConfiguration().ClientId),
+			"projectId": []byte(projectRef.ID)}
 		secret, err := wr.Builder.BuildSecret(builder.SecretOpts{Immutable: false, Key: key, Data: secretData}, wr.OIDCApp)
 		if err != nil {
 			return fmt.Errorf("error building Secret: %v", err)