diff --git a/.github/workflows/deploy-backend.yml b/.github/workflows/deploy-backend.yml
index c3bd007..b83d7d2 100644
--- a/.github/workflows/deploy-backend.yml
+++ b/.github/workflows/deploy-backend.yml
@@ -68,7 +68,7 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
 
       - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@v3
+        uses: actions/attest-build-provenance@v4
         with:
           subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           subject-digest: ${{ steps.push.outputs.digest }}