diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fa655b44e..c67a42c22 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -71,7 +71,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.x
+          python-version: 3.12
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
@@ -98,7 +98,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.x
+          python-version: 3.12
           architecture: ${{ matrix.platform.target }}
       - name: Build wheels
         uses: PyO3/maturin-action@v1
@@ -125,7 +125,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.x
+          python-version: 3.12
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with: