diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb191db28..4e971be4f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ 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: x86_64-linux -> x86_64-macos
         run: zig build -Dtarget=x86_64-macos
       - name: x86_64-linux -> aarch64-macos
@@ -48,10 +48,10 @@ 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: x86_64-windows -> x86_64-macos
         run: zig build -Dtarget=x86_64-macos
       - name: x86_64-windows -> aarch64-macos
@@ -76,7 +76,7 @@ jobs:
         run: |
           brew uninstall --ignore-dependencies libx11 # https://github.com/ziglang/zig/issues/11066
           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: x86_64-macos -> aarch64-macos
         run: zig build -Dtarget=aarch64-macos
       - name: x86_64-macos -> x86_64-windows
diff --git a/build.zig b/build.zig
index d85897388..33cdfa4a5 100644
--- a/build.zig
+++ b/build.zig
@@ -33,7 +33,7 @@ pub fn build(b: *std.Build) !void {
 }
 
 comptime {
-    const supported_zig = std.SemanticVersion.parse("0.12.0-dev.3180+83e578a18") catch unreachable;
+    const supported_zig = std.SemanticVersion.parse("0.13.0-dev.351+64ef45eb0") catch unreachable;
     if (builtin.zig_version.order(supported_zig) != .eq) {
         @compileError(std.fmt.comptimePrint("unsupported Zig version ({}). Required Zig version 2024.3.0-mach: https://machengine.org/about/nominated-zig/#202430-mach", .{builtin.zig_version}));
     }