diff --git a/Cargo.toml b/Cargo.toml
index 11aa2b80..e25a18d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 repository = "https://github.com/axiom-crypto/halo2curves"
 readme = "README.md"
 description = "Elliptic curve implementations and wrappers for halo2 library. This is a fork of the \"halo2curves\" crate for Axiom's production usage."
-rust-version = "1.67.0"
+rust-version = "1.70.0"
 
 [dev-dependencies]
 criterion = { version = "0.3", features = ["html_reports"] }
diff --git a/rust-toolchain b/rust-toolchain
index 77c582d8..832e9afb 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.67.0
\ No newline at end of file
+1.70.0