diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9c64613839..ea2c757fb0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
     - uses: actions/checkout@v7
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v7
+      uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies