diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0cd359c..80b0b78 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -91,7 +91,7 @@ jobs:
           echo "remote_image_digest=$(< /tmp/digestfile)" | tee "${GITHUB_OUTPUT}"
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v4.1.0
+        uses: sigstore/cosign-installer@v4.1.1
         if: github.event_name != 'pull_request'
 
       - name: Sign Image
@@ -217,7 +217,7 @@ jobs:
           echo "${{ secrets.GITHUB_TOKEN }}" | docker login -u "${{ github.actor }}" --password-stdin "${REGISTRY}"
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v4.0.0
+        uses: sigstore/cosign-installer@v4.1.1
         if: github.event_name != 'pull_request'
 
       - name: Publish manifest with unified architecture and sign