diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index c9354e9..99612e5 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -111,8 +111,8 @@ jobs:
         if: github.event_name != 'pull_request' && env.IS_TEST_BUILD == 'false'
         run: |
           cosign sign -y \
-            --registry-referrers-api=oci \
             --key env://COSIGN_PRIVATE_KEY \
+            --registry-referrers-mode oci-1-1 \
             "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.build_image.outputs.digest }}"
         env:
           COSIGN_EXPERIMENTAL: false