diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index df9fa55..8133e00 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: mlugg/setup-zig@v2
+        with:
+          version: 0.15.1
       - run: zig build test
       - run: zig fmt --check src/
 
@@ -28,6 +30,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: mlugg/setup-zig@v2
+        with:
+          version: 0.15.1
       - name: Build ${{ matrix.target }} (${{ matrix.optimize }})
         run: |
           zig build --release=${{ matrix.optimize == 'ReleaseSafe' && 'safe' || 'off' }} -Dtarget=${{ matrix.target }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b9d115a..77589ed 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,6 +19,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: mlugg/setup-zig@v2
+        with:
+          version: 0.15.1
 
       - name: Build
         run: zig build -Doptimize=ReleaseFast -Dtarget=${{ matrix.target }} -Dcpu=baseline
@@ -39,6 +41,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: mlugg/setup-zig@v2
+        with:
+          version: 0.15.1
       - run: zig build test
 
   release: