diff --git a/README.md b/README.md
index 169c5a069..3ab4cbe44 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,8 @@
 <a href="https://github.com/novifinancial/winterfell/blob/main/LICENSE"><img src="https://img.shields.io/badge/license-MIT-blue.svg"></a>
 <img src="https://github.com/novifinancial/winterfell/workflows/CI/badge.svg?branch=main">
 <a href="https://deps.rs/repo/github/novifinancial/winterfell"><img src="https://deps.rs/repo/github/novifinancial/winterfell/status.svg"></a>
-<img src="https://img.shields.io/badge/prover-rustc_1.60+-lightgray.svg">
-<img src="https://img.shields.io/badge/verifier-rustc_1.60+-lightgray.svg">
+<img src="https://img.shields.io/badge/prover-rustc_1.67+-lightgray.svg">
+<img src="https://img.shields.io/badge/verifier-rustc_1.67+-lightgray.svg">
 <a href="https://crates.io/crates/winterfell"><img src="https://img.shields.io/crates/v/winterfell"></a>
 
 A STARK prover and verifier for arbitrary computations.