diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b4d8112..67cc599 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,12 +27,12 @@ jobs:
             toxenv: typing
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
         with:
           python-version: ${{ matrix.python-version }}