diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2884dbd..c654fc5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,5 +12,16 @@ jobs:
     - name: Update submodules
       run: git submodule update --init --recursive
 
+    - name: Install zig
+      run: sudo snap install zig --classic --beta
+
     - name: Build
-      run: make
+      run: |
+        for target in \
+          aarch64-linux-musl \
+          aarch64-macos-none \
+          x86_64-linux-musl \
+          x86_64-macos-none
+        do
+          zig cc -target "$target" -s -o secret-${target%-*}.bin secret.c
+        done