diff --git a/5etools-docker/Dockerfile b/5etools-docker/Dockerfile
index f7bdbf2c..570e6736 100644
--- a/5etools-docker/Dockerfile
+++ b/5etools-docker/Dockerfile
@@ -1,7 +1,7 @@
 FROM httpd
 COPY init.sh /init.sh
 RUN apt-get update && \
-apt-get upgrade && \
+apt-get -y upgrade && \
 apt-get -y install curl p7zip-full
 WORKDIR /usr/local/apache2/htdocs/
 RUN mkdir download