diff --git a/sam/docker/mng/Dockerfile b/sam/docker/mng/Dockerfile
index 4c19d03..c436fb7 100755
--- a/sam/docker/mng/Dockerfile
+++ b/sam/docker/mng/Dockerfile
@@ -14,6 +14,7 @@ RUN apt-get update && apt-get install -y \
     supervisor \
     libreoffice-writer-nogui \
     fonts-nanum fonts-nanum-extra \
+    ffmpeg \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \
     && docker-php-ext-install zip mysqli pdo pdo_mysql intl soap gd \
     && fc-cache -f