diff --git a/README.md b/README.md
index 1ff7432..ab58729 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Thelio Io Windows Driver (WORK IN PROGRESS)
 
 - Install GIT LFS prior to cloning this repository
-- Install Rust from https://rustup.rs/
+- Install Rust from https://rustup.rs/ 1.53.0 or newer (ie `rustup toolchain install 1.55.0`)
 - Install Chocolaty from https://chocolatey.org/install
 - Launch an Administrator Command Prompt and run the following:
 ```