diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e2f3e54..95c0009 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6
       with:
         python-version: 3.13