diff --git a/action.yml b/action.yml
index a1b39df..5723f5b 100644
--- a/action.yml
+++ b/action.yml
@@ -121,7 +121,7 @@ runs:
         tox run-parallel -r --parallel-no-spinner
       shell: bash
 
-    - uses: sigstore/gh-action-sigstore-python@04cffa1d795717b140764e8b640de88853c92acc
+    - uses: sigstore/gh-action-sigstore-python@5b79a39c381910c090341a2c9b0bf022c8b387e1
       if: inputs.sign-checkpoint-logs == 'true'
       with:
         inputs: |