diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index dac7ad9..8ad80b5 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -54,7 +54,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.69
+          toolchain: 1.70
       - uses: actions/cache@v2
         with:
           path: |