diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 795b685..b945069 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v7
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v7
         with:
           python-version: ${{ matrix.python-version }}
       - name: Run full test suite (stdlib only)
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.12"
       - name: Adversarial fixtures must be blocked with exit code 4