diff --git a/Dockerfile b/Dockerfile
index fc160fe..2e660ef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ LABEL maintainer="Kyle Manna <kyle@kylemanna.com>"
 #    ln -s /usr/share/easy-rsa/easyrsa /usr/local/bin && \
 #    rm -rf /tmp/* /var/tmp/* /var/cache/apk/* /var/cache/distfiles/*
     
-RUN apt-get update && apt-get install wget tar unzip build-essential libssl-dev iproute2 liblz4-dev liblzo2-dev libpam0g-dev libpkcs11-helper1-dev libsystemd-dev resolvconf pkg-config && \
+RUN apt-get update && apt-get install -y wget tar unzip build-essential libssl-dev iproute2 liblz4-dev liblzo2-dev libpam0g-dev libpkcs11-helper1-dev libsystemd-dev resolvconf pkg-config && \
     wget http://swupdate.openvpn.org/community/releases/openvpn-2.4.6.tar.gz && tar xvf openvpn-2.4.6.tar.gz && \
     wget https://github.com/Tunnelblick/Tunnelblick/archive/master.zip && unzip master.zip && \
     cp Tunnelblick-master/third_party/sources/openvpn/openvpn-2.4.6/patches/*.diff openvpn-2.4.6 && \