diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 82f01f3f09f..f55234fa6f9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,6 +16,8 @@ jobs:
             triple: x86_64-apple-darwin
           - os: ubuntu-latest
             triple: x86_64-unknown-linux-gnu
+          - os: ubuntu-latest
+            triple: aarch64-unknown-linux-gnu
     runs-on: ${{ matrix.os }}
     steps:
       - name: Install nightly toolchain
@@ -48,7 +50,7 @@ jobs:
       - name: Generate tag name
         id: tag
         run: |
-          echo "::set-output name=release_tag::nightly-${GITHUB_SHA}"
+          echo "::set-output name=release_tag::stable-${GITHUB_SHA}"
 
       - name: Release
         uses: softprops/action-gh-release@v1
diff --git a/config.toml b/config.toml
index 4f36f169c8a..51b8eb73a24 100644
--- a/config.toml
+++ b/config.toml
@@ -5,8 +5,11 @@ target = ["riscv32im-jolt-zkvm-elf"]
 extended = true
 tools = ["cargo", "cargo-clippy", "clippy", "rustfmt"]
 configure-args = []
+# TODO(sagar): enable compiler-builtins
+optimized-compiler-builtins = false
 
 [rust]
+channel = "stable"
 lld = true
 llvm-tools = true