diff --git a/.github/workflows/mirror.yaml b/.github/workflows/mirror.yaml
index 5195cac..84e2de0 100644
--- a/.github/workflows/mirror.yaml
+++ b/.github/workflows/mirror.yaml
@@ -23,7 +23,7 @@ jobs:
           skopeo --version
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
+        uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
 
       - name: Input check
         run: |