diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cec69ca1..41a29b09 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -111,7 +111,7 @@ jobs:
           subject-path: panvex-*-linux-${{ matrix.arch }}.tar.gz
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@398d4b0eeef1380460a10c8013a76f728fb906ac  # v3
+        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6  # v4.1.2
 
       # Sign the SBOM keyless via Sigstore: the job swaps its
       # GitHub-Actions OIDC token for a short-lived Fulcio certificate,