diff --git a/.github/workflows/update-task-in-docker-images.yml b/.github/workflows/update-task-in-docker-images.yml
index 930f04d..d6488d0 100644
--- a/.github/workflows/update-task-in-docker-images.yml
+++ b/.github/workflows/update-task-in-docker-images.yml
@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@v3.8.2
+        uses: sigstore/cosign-installer@v3.9.1
 
       - name: Log into registry ${{ env.REGISTRY }}
         uses: docker/login-action@v3.4.0
diff --git a/.github/workflows/update-timew-in-docker-images.yml b/.github/workflows/update-timew-in-docker-images.yml
index dc501f5..268c3ea 100644
--- a/.github/workflows/update-timew-in-docker-images.yml
+++ b/.github/workflows/update-timew-in-docker-images.yml
@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install cosign
-        uses: sigstore/cosign-installer@v3.8.2
+        uses: sigstore/cosign-installer@v3.9.1
 
       - name: Log into registry ${{ env.REGISTRY }}
         uses: docker/login-action@v3.4.0