diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4365871..05d5c4e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        rust: ['stable', 'nightly', '1.64.0']
+        rust: ['stable', 'nightly', '1.70.0']
 
     steps:
       - uses: actions/checkout@v2
diff --git a/Cargo.toml b/Cargo.toml
index 4f26052..e76f067 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ license = "MIT OR Apache-2.0"
 
 version = "2.1.0"
 edition = "2021"
-rust-version = "1.64.0"
+rust-version = "1.70.0"
 
 authors = ["Fabio Valentini <decathorpe@gmail.com>"]
 readme = "README.md"