diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 59815f1a8..89d2eaf52 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -36,7 +36,7 @@ jobs:
           output: 'trivy-results.sarif'
           severity: 'CRITICAL,HIGH'
       - name: Install Cosign
-        uses: sigstore/cosign-installer@7e8b541eb2e61bf99390e1afd4be13a184e9ebc5 # v3.10.1
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
       - name: Publish Capsule
         id: publish-capsule
         uses: peak-scale/github-actions/make-ko-publish@a441cca016861c546ab7e065277e40ce41a3eb84 # v0.2.0
diff --git a/.github/workflows/helm-publish.yml b/.github/workflows/helm-publish.yml
index 67e7a430d..b70ac797b 100644
--- a/.github/workflows/helm-publish.yml
+++ b/.github/workflows/helm-publish.yml
@@ -46,7 +46,7 @@ jobs:
       chart-digest: ${{ steps.helm_publish.outputs.digest }}
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      - uses: sigstore/cosign-installer@7e8b541eb2e61bf99390e1afd4be13a184e9ebc5 # v3.10.1
+      - uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
       - name: "Extract Version"
         id: extract_version
         run: |
diff --git a/.github/workflows/releaser.yml b/.github/workflows/releaser.yml
index 99aeede41..7d2325bc6 100644
--- a/.github/workflows/releaser.yml
+++ b/.github/workflows/releaser.yml
@@ -32,7 +32,7 @@ jobs:
       - uses: creekorful/goreportcard-action@1f35ced8cdac2cba28c9a2f2288a16aacfd507f9 # v1.0
       - uses: anchore/sbom-action/download-syft@8e94d75ddd33f69f691467e42275782e4bfefe84
       - name: Install Cosign
-        uses: sigstore/cosign-installer@7e8b541eb2e61bf99390e1afd4be13a184e9ebc5 # v3.10.1
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6.4.0
         with: