diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 512d041c..62702b26 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -12,8 +12,8 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 #v4.1.1
+      - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 #v4.7.1
         with:
           python-version: 3.x
       - run: python3 --version