diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fb28bf5e..bc2b2fb0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Setup Zig
         uses: goto-bus-stop/setup-zig@v2
         with:
-          version: master
+          version: 0.12.0
 
       - name: Build
         run: zig build -Doptimize=ReleaseSmall
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index fba2466d..6b78ec8c 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -15,13 +15,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
         with:
-          fetch-tags: true # required for "git describe"
           fetch-depth: 0
 
       - name: Setup Zig
         uses: goto-bus-stop/setup-zig@v2
         with:
-          version: master
+          version: 0.12.0
 
       - name: Extract version
         run: echo "MICROZIG_VERSION=$(zig build package -- get-version)" >> $GITHUB_ENV