diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 1f8af10..92ab277 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -46,7 +46,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: "1.63.0"
+          toolchain: "1.70.0"
           override: true
       - uses: actions-rs/cargo@v1
         with:
diff --git a/Cargo.toml b/Cargo.toml
index 1dde381..205c3f7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "instant-epp"
 version = "0.4.0"
 edition = "2021"
-rust-version = "1.63"
+rust-version = "1.70"
 license = "MIT"
 description = "EPP client library for async Rust"
 repository = "https://github.com/instant-labs/instant-epp"