diff --git a/.drone.yml b/.drone.yml
index dc246cc..fdd67b7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -18,8 +18,8 @@ steps:
     password:
       from_secret: DOCKER_PASSWORD
     tag: 
-      - ${DRONE_BUILD_NUMBER}
-      - latest
+      - "${DRONE_BUILD_NUMBER}"
+      - "latest"
     when:
       branch:
         - master