diff --git a/Google-Summer-of-Code-2022-Ideas.md b/Google-Summer-of-Code-2022-Ideas.md
index 7738c5f..00a53f9 100644
--- a/Google-Summer-of-Code-2022-Ideas.md
+++ b/Google-Summer-of-Code-2022-Ideas.md
@@ -80,7 +80,7 @@ Mentor: [Carrie Chow](https://github.com/rustdesk) RustDesk author
 
 ### Copy/Paste file on Linux and Mac
 
-Skills: Rust, Linux/Mac
+Skills: Rust, C/C++, ObjC, Linux/Mac
 
 Description: RustDesk has file copy/paste support under Windows. User can copy file on one side and then paste it on the other side. Current windows implementation is based on FreeRDP.