diff --git a/README.md b/README.md
index 60531c462..91ccebfe7 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,8 @@ The project is not ready for use. We hope to have full sync implemented sometime
 
 Rust minimum required version to build this project is 1.65.0 published 02.11.2022
 
+Prerequisites: libclang, `libclang-dev` on Debian
+
 To test Reth, you will need to have [Geth  installed.](https://geth.ethereum.org/docs/install-and-build/installing-geth)
 
 ```sh