diff --git a/audio.mp3 b/audio.mp3
index d4e35ec..e872d52 100644
Binary files a/audio.mp3 and b/audio.mp3 differ
diff --git a/audio.wav b/audio.wav
index 86ce680..358c004 100644
Binary files a/audio.wav and b/audio.wav differ
diff --git a/core/src/hooks/block-self-delete.ts b/core/src/hooks/block-self-delete.ts
new file mode 100644
index 0000000..48a34fb
--- /dev/null
+++ b/core/src/hooks/block-self-delete.ts
@@ -0,0 +1,10 @@
+// Use this hook to manipulate incoming or outgoing data.
+// For more information on hooks see: http://docs.feathersjs.com/api/hooks.html
+import { Hook, HookContext } from '@feathersjs/feathers';
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export default (options = {}): Hook => {
+  return async (context: HookContext): Promise<HookContext> => {
+    return context;
+  };
+};
diff --git a/core/src/services/admin/admin.hooks.ts b/core/src/services/admin/admin.hooks.ts
index 4330229..481d924 100644
--- a/core/src/services/admin/admin.hooks.ts
+++ b/core/src/services/admin/admin.hooks.ts
@@ -1,5 +1,7 @@
 import { HooksObject } from '@feathersjs/feathers';
 import * as authentication from '@feathersjs/authentication';
+import RolesEnum from '../../constants/roles.enum';
+import Permit from '../../hooks/permit';
 // Don't remove this comment. It's needed to format import lines nicely.
 
 const { authenticate } = authentication.hooks;
@@ -9,10 +11,10 @@ export default {
     all: [ authenticate('jwt') ],
     find: [],
     get: [],
-    create: [],
+    create: [Permit(RolesEnum.PLATFORM_SUPER_ADMIN)],
     update: [],
     patch: [],
-    remove: []
+    remove: [Permit(RolesEnum.PLATFORM_SUPER_ADMIN)]
   },
 
   after: {