diff --git a/docker/docker-burp2/assets/setup/install b/docker/docker-burp2/assets/setup/install
index 83d76772..aff6e2a5 100755
--- a/docker/docker-burp2/assets/setup/install
+++ b/docker/docker-burp2/assets/setup/install
@@ -10,7 +10,7 @@ echo "deb http://ziirish.info/repos/debian/jessie zi-latest main" >/etc/apt/sour
 wget https://ziirish.info/repos/debian.gpg -O- | apt-key add -
 
 apt-get update
-apt-get install burp-server burp-client
+apt-get install -y burp-server burp-client
 
 cd
 
diff --git a/docker/docker-cli2/assets/setup/install b/docker/docker-cli2/assets/setup/install
index a2a889e1..39812fa0 100755
--- a/docker/docker-cli2/assets/setup/install
+++ b/docker/docker-cli2/assets/setup/install
@@ -7,7 +7,7 @@ CONFIG_DIR="${SETUP_DIR}/config"
 echo "deb http://ziirish.info/repos/debian/jessie zi-latest main" >/etc/apt/sources.list.d/ziirish.list
 wget https://ziirish.info/repos/debian.gpg -O- | apt-key add -
 apt-get update
-apt-get install burp-server burp-client
+apt-get install -y burp-server burp-client
 
 # configure supervisord log rotation
 cat > /etc/logrotate.d/supervisord <<EOF