diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e9871704..a1ebe93f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ 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.389+61b70778b.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.978+78855bd21.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
@@ -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.389+61b70778b.zip" -OutFile "C:\zig.zip"
+          Invoke-WebRequest -Uri "https://pkg.machengine.org/zig/zig-windows-x86_64-0.12.0-dev.978+78855bd21.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.389+61b70778b\"
+          Add-Content $env:GITHUB_PATH "C:\zig-windows-x86_64-0.12.0-dev.978+78855bd21\"
       - name: build
         run: zig build
       - name: test
@@ -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.389+61b70778b.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.978+78855bd21.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
       - name: build
         run: zig build
       - name: test