diff --git a/ak-ubuntu/Dockerfile b/ak-ubuntu/Dockerfile
index ae29437..00975bf 100644
--- a/ak-ubuntu/Dockerfile
+++ b/ak-ubuntu/Dockerfile
@@ -4,7 +4,7 @@ LABEL maintainer "Appknox <engineering@appknox.com>"
 
 ENV GOSU_VERSION 1.10
 
-RUN apt-get update || apt-get update \
+RUN apt-get update -y || apt-get update -y \
   && DEBIAN_FRONTEND=noninteractive apt-get install -y \
     build-essential \
     curl \
@@ -12,11 +12,12 @@ RUN apt-get update || apt-get update \
     zip \
     software-properties-common \
     python-software-properties \
+    fonts-noto-cjk \
   && curl -sL https://deb.nodesource.com/setup_9.x -o nodesource_setup.sh \
   && bash nodesource_setup.sh \
   && add-apt-repository ppa:nginx/development -y \
   && add-apt-repository ppa:deadsnakes/ppa \
-  && apt-get update \
+  && apt-get update -y \
   && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
   && curl -o /usr/local/bin/gosu -SL "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
   && curl -o /usr/local/bin/gosu.asc -SL "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \