diff --git a/docker/demo/docker-burp1/assets/config/burp-ui/buiagent.cfg b/docker/demo/docker-burp1/assets/config/burp-ui/buiagent.cfg
index 3bf2b3cb..0471ae44 100644
--- a/docker/demo/docker-burp1/assets/config/burp-ui/buiagent.cfg
+++ b/docker/demo/docker-burp1/assets/config/burp-ui/buiagent.cfg
@@ -10,8 +10,10 @@ ssl = false
 sslcert = /etc/burp/ssl_cert-server.pem
 # ssl key
 sslkey = /etc/burp/ssl_cert-server.key
-# burp server version (currently only burp 1.x is implemented)
-version = 1
+# burp backend to load either 'burp1', 'burp2' or 'parallel'.
+# You can also use whatever custom backend you like if it is located in the
+# 'plugins' directory and if it implements the right interface.
+backend = burp1
 # agent password
 password = azerty
 
diff --git a/docker/demo/docker-burp1/assets/setup/install b/docker/demo/docker-burp1/assets/setup/install
index a679a5a2..2248a960 100755
--- a/docker/demo/docker-burp1/assets/setup/install
+++ b/docker/demo/docker-burp1/assets/setup/install
@@ -19,8 +19,8 @@ make install
 cd
 
 # Install burp-ui
-pip install --upgrade setuptools
-pip install --upgrade $BURPUI
+pip3 install --upgrade setuptools
+pip3 install --upgrade $BURPUI
 
 # Create burp-ui User
 useradd -m -s /bin/bash -d /var/lib/burpui -c 'Burp-UI daemon user' -u 5337 burpui
diff --git a/docker/demo/docker-burp2/assets/setup/install b/docker/demo/docker-burp2/assets/setup/install
index ea9b57a0..a8c161e8 100755
--- a/docker/demo/docker-burp2/assets/setup/install
+++ b/docker/demo/docker-burp2/assets/setup/install
@@ -15,9 +15,9 @@ apt-get install -y burp-server burp-client
 cd
 
 # Install burp-ui
-pip install --upgrade setuptools
-pip install --upgrade $BURPUI
-pip install --upgrade $BURPUIMON
+pip3 install --upgrade setuptools
+pip3 install --upgrade $BURPUI
+pip3 install --upgrade $BURPUIMON
 
 # Create burp-ui User
 useradd -m -s /bin/bash -d /var/lib/burpui -c 'Burp-UI daemon user' -u 5337 burpui