diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7a7c56df7..59e48598d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -406,7 +406,9 @@ jobs:
       - name: Setup dependencies
         run: |
           brew install ninja openssh
-          pip3 install --upgrade setuptools
+          python3 -m venv .python3_venv
+          source .python3_venv/bin/activate
+          python3 -m pip install setuptools
       - name: Build binary
         run: ./util/release.sh ${{ needs.setup.outputs.release_name }} --bin
         env:
diff --git a/util/runtimes/wasmtime.sh b/util/runtimes/wasmtime.sh
index 7d1fd47e5..08ae089fd 100755
--- a/util/runtimes/wasmtime.sh
+++ b/util/runtimes/wasmtime.sh
@@ -23,6 +23,10 @@ download_wasmtime() {
     local arch="$3"
     local clean="$4"
 
+    case "$arch" in
+        arm64) arch="aarch64" ;;
+    esac
+
     case $OSTYPE in
         linux*)  os="linux";;
         darwin*) os="macos";;