diff --git a/.github/workflows/release-manual.yml b/.github/workflows/release-manual.yml
index 3d924ff..08aec75 100644
--- a/.github/workflows/release-manual.yml
+++ b/.github/workflows/release-manual.yml
@@ -109,7 +109,7 @@ jobs:
           cache: true
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@3454372f43399081ed03b604cb2d021dabca52bb # v3.8.2
+        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac # v3.9.1
 
       - name: Install syft
         uses: anchore/sbom-action/download-syft@e11c554f704a0b820cbf8c51673f6945e0731532 # v0.20.0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5783169..4e2453e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,7 +36,7 @@ jobs:
           cache: true
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@3454372f43399081ed03b604cb2d021dabca52bb # v3.8.2
+        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac # v3.9.1
 
       - name: Run GoReleaser
         id: goreleaser