diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 293d0773..6e27a1cc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Setup Zig
         run: |
           sudo apt install xz-utils
-          sudo sh -c 'wget -c https://pkg.machengine.org/zig/zig-linux-x86_64-0.12.0-dev.3180+83e578a18.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_64-0.13.0-dev.351+64ef45eb0.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
       - name: build
         run: zig build
   x86_64-windows:
@@ -26,10 +26,10 @@ jobs:
       - name: Setup Zig
         run: |
           $ProgressPreference = 'SilentlyContinue'
-          Invoke-WebRequest -Uri "https://pkg.machengine.org/zig/zig-windows-x86_64-0.12.0-dev.3180+83e578a18.zip" -OutFile "C:\zig.zip"
+          Invoke-WebRequest -Uri "https://pkg.machengine.org/zig/zig-windows-x86_64-0.13.0-dev.351+64ef45eb0.zip" -OutFile "C:\zig.zip"
           cd C:\
           7z x zig.zip
-          Add-Content $env:GITHUB_PATH "C:\zig-windows-x86_64-0.12.0-dev.3180+83e578a18\"
+          Add-Content $env:GITHUB_PATH "C:\zig-windows-x86_64-0.13.0-dev.351+64ef45eb0\"
       - name: build
         run: zig build
   x86_64-macos:
@@ -42,7 +42,7 @@ jobs:
       - name: Setup Zig
         run: |
           brew install xz
-          sudo sh -c 'wget -c https://pkg.machengine.org/zig/zig-macos-x86_64-0.12.0-dev.3180+83e578a18.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_64-0.13.0-dev.351+64ef45eb0.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
       - name: build
         run: zig build
         env: