diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index df5b8f2..63d0b7d 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -46,7 +46,7 @@ jobs:
           go-version-file: go.mod
           cache-dependency-path: go.sum
       - name: Install cosign
-        uses: sigstore/cosign-installer@d58896d6a1865668819e1d91763c7751a165e159 # v3.9.2
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
       - name: Install syft
         uses: anchore/sbom-action/download-syft@da167eac915b4e86f08b264dbdbc867b61be6f0c # v0.20.5
       - name: Install ko