diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bb5bd43..2c2bbfb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,6 +23,12 @@ jobs:
         - build: x86_64-mingw
           os: windows-latest
           target: x86_64-pc-windows-gnu
+        - build: aarch64-linux
+          os: ubuntu-latest
+          target: aarch64-unknown-linux-gnu
+        - build: s390x-linux
+          os: ubuntu-latest
+          target: s390x-unknown-linux-gnu
     steps:
     - uses: actions/checkout@v2
     - name: Build
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d3b0536..bcf1193 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -89,6 +89,14 @@ jobs:
         with:
           name: bins-x86_64-linux
           path: dist
+      - uses: actions/download-artifact@v1
+        with:
+          name: bins-aarch64-linux
+          path: dist
+      - uses: actions/download-artifact@v1
+        with:
+          name: bins-s390x-linux
+          path: dist
 
       - name: Calculate tag name
         run: |
@@ -113,3 +121,13 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           name: ${{ steps.tagname.outputs.val }}
         continue-on-error: true
+      - name: Update npm packages to latest version
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+        working-directory: ./npm/wizer
+        run: npm install && npm version "${{ steps.tagname.outputs.val }}"
+      - name: Publish npm packages
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+        working-directory: ./npm
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: for dir in *; do (echo $dir && cd $dir && npm publish); done
diff --git a/.gitignore b/.gitignore
index 80730c7..196c957 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@ npm/wizer-darwin-arm64/
 npm/wizer-darwin-x64/
 npm/wizer-linux-x64/
 npm/wizer-win32-x64/
+npm/wizer-linux-s390x/
+npm/wizer-linux-arm64/
\ No newline at end of file
diff --git a/npm/wizer/wizer.js b/npm/wizer/wizer.js
index 46b9a93..77ac533 100755
--- a/npm/wizer/wizer.js
+++ b/npm/wizer/wizer.js
@@ -6,7 +6,9 @@ const knownPackages = {
     "win32 x64 LE": "@bytecodealliance/wizer-win32-x64",
     "darwin arm64 LE": "@bytecodealliance/wizer-darwin-arm64",
     "darwin x64 LE": "@bytecodealliance/wizer-darwin-x64",
+    "linux arm64 LE": "@bytecodealliance/wizer-linux-arm64",
     "linux x64 LE": "@bytecodealliance/wizer-linux-x64",
+    "linux s390x BE": "@bytecodealliance/wizer-linux-s390x",
 };
 
 function pkgForCurrentPlatform() {