diff --git a/tasks/docker-registry/task.yaml b/tasks/docker-registry/task.yaml
index e98bc76..d62b189 100644
--- a/tasks/docker-registry/task.yaml
+++ b/tasks/docker-registry/task.yaml
@@ -34,6 +34,9 @@ spec:
     - name: docker-auth
       description: Docker registry credentials (username + password)
 
+    - name: pypi-auth
+      description: Docker registry credentials (username + password)
+
   results:
     - name: imageUrl
       description: Final pushed image URL with tag (e.g. registry/app:v0.2.0)
@@ -85,4 +88,5 @@ spec:
         - --skip-tls-verify
         - --reproducible
         - --verbosity=info
-
+        - --build-arg=PYPI_USERNAME=$(cat /workspace/pypi-auth/username)
+        - --build-arg=PYPI_PASSWORD=$(cat /workspace/pypi-auth/password)