diff --git a/poseidon2-starky/rust-toolchain.toml b/poseidon2-starky/rust-toolchain.toml
index 361a402..71ca993 100644
--- a/poseidon2-starky/rust-toolchain.toml
+++ b/poseidon2-starky/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2023-06-28"
+channel = "nightly-2023-10-01"
 components = ["rustfmt", "rust-src"]
 profile = "minimal"
diff --git a/poseidon2-starky/src/lib.rs b/poseidon2-starky/src/lib.rs
index ca7fdce..46c4a3a 100644
--- a/poseidon2-starky/src/lib.rs
+++ b/poseidon2-starky/src/lib.rs
@@ -1,7 +1,7 @@
 #![allow(incomplete_features)]
 #![feature(generic_const_exprs)]
 #![feature(stmt_expr_attributes)]
-#![feature(no_coverage)]
+#![feature(coverage_attribute)]
 #![feature(register_tool)]
 #![register_tool(tarpaulin)]
 #![deny(clippy::pedantic)]