diff --git a/readme.md b/readme.md
index 6642e4e..ef78f21 100644
--- a/readme.md
+++ b/readme.md
@@ -16,6 +16,8 @@ jobs:
       uses: https://gitea.jbrumond.me/actions/docker-tag@v0.1
       with:
         registry: https://gitea.example.com
+        username: ${{ secrets.REGISTRY_USERNAME }}
+        password: ${{ secrets.REGISTRY_PASSWORD }}
         image: owner/package
         old-tag: latest
         new-tags: |