diff --git a/.github/workflows/buildDockerImage.yml b/.github/workflows/buildDockerImage.yml
index c4b678e..7027cc4 100644
--- a/.github/workflows/buildDockerImage.yml
+++ b/.github/workflows/buildDockerImage.yml
@@ -173,7 +173,7 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v3.9.2
+        uses: sigstore/cosign-installer@v4.0.0
       - name: Sign the published ghcr.io Docker image with Cosign
         run: |
           images=""