Update readme.md

Author: JamalLyons

readme.md

@@ -25,7 +25,7 @@ A blazing fast Rust type generator for [ConvexDB](https://www.convex.dev) schema
 1. Add dependencies using cargo:
 
 ```bash
-cargo add convex-typegen
+cargo add convex-typegen serde serde_json
 cargo add --build convex-typegen
 ```
 
@@ -65,4 +65,4 @@ This project is licensed under the MIT License - see the [LICENSE](LICENSE) file
 
 ## Related Projects
 
-- [convex rust sdk](https://docs.rs/convex/latest/convex/) - Official Rust client for ConvexDB
+- [convex rust sdk](https://docs.rs/convex/latest/convex/) - Official Rust client for ConvexDB