diff --git a/.drone.yml b/.drone.yml
index 133508b..e668c30 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,6 +11,6 @@ steps:
     commands:
       - sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list
       - apt update
-      - apt install ffmpeg
+      - apt install -y ffmpeg
       - yarn install --forzen-lockfile
       - yarn build