diff --git a/.github/workflows/build-image.yml b/.github/workflows/build-image.yml
index 4a137c7..ce623e0 100644
--- a/.github/workflows/build-image.yml
+++ b/.github/workflows/build-image.yml
@@ -58,7 +58,7 @@ jobs:
         uses: docker/setup-buildx-action@v3.11.1
       -
         name: Install Cosign
-        uses: sigstore/cosign-installer@v3.9.0
+        uses: sigstore/cosign-installer@v3.9.1
       -
         name: Login to GitHub Container Registry
         uses: docker/login-action@v3.4.0
diff --git a/.github/workflows/build-split-image.yml b/.github/workflows/build-split-image.yml
index 997a5a6..cd2019f 100644
--- a/.github/workflows/build-split-image.yml
+++ b/.github/workflows/build-split-image.yml
@@ -160,7 +160,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
       -
         name: Install Cosign
-        uses: sigstore/cosign-installer@v3.9.0
+        uses: sigstore/cosign-installer@v3.9.1
       -
         name: Create image tags
         id: image_tags