diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 20bc2604..063f4c9d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,15 +53,14 @@ jobs:
           cd C:\
           7z x zig.zip
           Add-Content $env:GITHUB_PATH "C:\zig-windows-x86_64-0.9.0-dev.959+f011f1393\"
-      # TODO(windows): `zig build test -Dtarget=x86_64-macos` fails - see hexops/mach#8
-      # - name: x86_64-windows -> x86_64-macos
-      #   run: zig build install -Dtarget=x86_64-macos
-      #   env:
-      #     AGREE: true
-      # - name: x86_64-windows -> aarch64-macos
-      #   run: zig build install -Dtarget=aarch64-macos
-      #   env:
-      #     AGREE: true
+      - name: x86_64-windows -> x86_64-macos
+        run: zig build test -Dtarget=x86_64-macos
+        env:
+          AGREE: true
+      - name: x86_64-windows -> aarch64-macos
+        run: zig build test -Dtarget=aarch64-macos
+        env:
+          AGREE: true
       - name: x86_64-windows -> x86_64-linux
         run: zig build test -Dtarget=x86_64-linux
       - name: mach::test