diff --git a/src/main/java/com/example/springdemo/service/PermissionsService.java b/src/main/java/com/example/springdemo/service/PermissionsService.java
index da875ce..a49af3d 100644
--- a/src/main/java/com/example/springdemo/service/PermissionsService.java
+++ b/src/main/java/com/example/springdemo/service/PermissionsService.java
@@ -16,4 +16,6 @@ public interface PermissionsService {
     Optional<Permissions> findById(Long permissionId);
 
     List<Permissions> findAllPermissions();
+
+    List<Permissions> findPermissionsByRoleId(Long roleId);
 }