diff --git a/.github/workflows/docker-image.yaml b/.github/workflows/docker-image.yaml
index 9639ae02..f3504073 100644
--- a/.github/workflows/docker-image.yaml
+++ b/.github/workflows/docker-image.yaml
@@ -92,7 +92,7 @@ jobs:
 
       - name: Install Cosign
         if: ${{ inputs.sign }}
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
 
       - name: Sign the images with GitHub OIDC Token
         if: ${{ inputs.sign }}