diff --git a/.github/workflows/docker-build-push.yml b/.github/workflows/docker-build-push.yml
index 3f04bc6..b3b2055 100644
--- a/.github/workflows/docker-build-push.yml
+++ b/.github/workflows/docker-build-push.yml
@@ -70,7 +70,7 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
       - name: Install cosign
         if: github.ref == 'refs/heads/main'
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
       - name: Sign the Docker image
         if: github.ref == 'refs/heads/main'
         working-directory: ${{ env.IMAGE }}
diff --git a/.github/workflows/docker-release.yml b/.github/workflows/docker-release.yml
index a7e2394..568fcc9 100644
--- a/.github/workflows/docker-release.yml
+++ b/.github/workflows/docker-release.yml
@@ -61,7 +61,7 @@ jobs:
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
       - name: Install cosign
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
       - name: Sign the Docker image
         working-directory: ${{ env.IMAGE }}
         env:
diff --git a/.github/workflows/dockerhub.yml b/.github/workflows/dockerhub.yml
index d339a33..fe211f7 100644
--- a/.github/workflows/dockerhub.yml
+++ b/.github/workflows/dockerhub.yml
@@ -40,7 +40,7 @@ jobs:
           IFS=$'\n\t'
           docker buildx imagetools inspect "${GITHUB_REPOSITORY_OWNER}/${IMAGE}:${{ matrix.tag }}" --format "{{ json (index .SBOM \"${{ matrix.platform }}\").SPDX }}"
       - name: Install cosign
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
       - name: Verify the ${{ matrix.tag }} image signature
         shell: bash
         run: |