diff --git a/.drone.yml b/.drone.yml
index 413afe4e..bf91189a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -8,7 +8,7 @@ steps:
     pull: always
     commands:
       - flutter doctor
-      - flutter build apk --split-per-abi --build-number $(date  "+%y%m%d%H%M") --build-name "${DRONE_TAG:=0.0.0}"
+      - flutter build apk --split-per-abi --build-number $(date  "+%y%j%H%M") --build-name "${DRONE_TAG:=0.0.0}"
   - name: git hub release
     image: plugins/github-release
     settings: