diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 107ce9b0..e9871704 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,9 +11,11 @@ jobs:
       - name: Setup Zig
         run: |
           sudo apt install xz-utils
-          sudo sh -c 'wget -c https://pkg.machengine.org/zig/zig-linux-x86_64-0.11.0-dev.3883+7166407d8.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
+          sudo sh -c 'wget -c https://pkg.machengine.org/zig/zig-linux-x86_64-0.12.0-dev.389+61b70778b.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
       - name: x86_64-linux -> aarch64-macos
         run: zig build -Dtarget=aarch64-macos
+      - name: build
+        run: zig build
       - name: test
         run: zig build test
   x86_64-windows:
@@ -24,10 +26,12 @@ jobs:
       - name: Setup Zig
         run: |
           $ProgressPreference = 'SilentlyContinue'
-          Invoke-WebRequest -Uri "https://pkg.machengine.org/zig/zig-windows-x86_64-0.11.0-dev.3883+7166407d8.zip" -OutFile "C:\zig.zip"
+          Invoke-WebRequest -Uri "https://pkg.machengine.org/zig/zig-windows-x86_64-0.12.0-dev.389+61b70778b.zip" -OutFile "C:\zig.zip"
           cd C:\
           7z x zig.zip
-          Add-Content $env:GITHUB_PATH "C:\zig-windows-x86_64-0.11.0-dev.3883+7166407d8\"
+          Add-Content $env:GITHUB_PATH "C:\zig-windows-x86_64-0.12.0-dev.389+61b70778b\"
+      - name: build
+        run: zig build
       - name: test
         run: zig build test
   x86_64-macos:
@@ -38,6 +42,8 @@ jobs:
       - name: Setup Zig
         run: |
           brew install xz
-          sudo sh -c 'wget -c https://pkg.machengine.org/zig/zig-macos-x86_64-0.11.0-dev.3883+7166407d8.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
+          sudo sh -c 'wget -c https://pkg.machengine.org/zig/zig-macos-x86_64-0.12.0-dev.389+61b70778b.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
+      - name: build
+        run: zig build
       - name: test
         run: zig build test