diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 6084d0dc..7b484cc6 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -92,7 +92,7 @@ jobs:
           fetch-depth: ${{ env.git-depth }}
       - name: Checkout submodules
         run: git submodule update --init --recursive --depth 1
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v6.3.0
         with:
           python-version: "3.x"
       - name: Install build dependencies
@@ -134,7 +134,7 @@ jobs:
       - name: Checkout submodules
         run: git submodule update --init --recursive --depth 1
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v6.3.0
         with:
           python-version: ${{ matrix.python-version }}
           architecture: ${{ matrix.architecture }}
@@ -220,7 +220,7 @@ jobs:
       - name: Checkout submodules
         run: git submodule update --init --depth 1
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v6.3.0
         with:
           python-version: "3.x"
       - name: Install Python dependencies
@@ -311,7 +311,7 @@ jobs:
           fetch-depth: ${{ env.git-depth }}
       - name: Checkout submodules
         run: git submodule update --init --recursive --depth 1
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v6.3.0
         with:
           python-version: "3.x"
       - name: Install Python dependencies