diff --git a/docker-compose/Registry/docker-compose.yml b/docker-compose/Registry/docker-compose.yml
index 69c9d46..6b5cb76 100644
--- a/docker-compose/Registry/docker-compose.yml
+++ b/docker-compose/Registry/docker-compose.yml
@@ -6,9 +6,14 @@ services:
     ports:
       # Map to a host port, e.g., 5000. Change if needed.
       - "5435:5000"
+    environment:
+      REGISTRY_AUTH: htpasswd                      # Enable htpasswd auth
+      REGISTRY_AUTH_HTPASSWD_REALM: Local Registry # Realm name for login prompt
+      REGISTRY_AUTH_HTPASSWD_PATH: /auth/htpasswd  # Path *inside* the container
     volumes:
       # Persist registry data
       - /3tbhdd/Registry/registry-data:/var/lib/registry
+      - /3tbhdd/Registry/auth:/auth
     restart: always
     networks:
       # Use a common network if Gitea/Runner need to access it by name