diff --git a/pkg/debian-tuto2/Dockerfile b/pkg/debian-tuto2/Dockerfile
index cc2e0f6..b36bf12 100644
--- a/pkg/debian-tuto2/Dockerfile
+++ b/pkg/debian-tuto2/Dockerfile
@@ -1,6 +1,7 @@
 FROM debian
 
-RUN apt-get update && apt-get install --no-install-recommends -y \
+RUN echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list.d/backports.list && \
+  apt-get update && apt-get install --no-install-recommends -y \
     busybox \
     ca-certificates \
     console-data \
@@ -12,14 +13,13 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
     nano \
     openssh-server \
     python \
-    ssmtp \
+    esmtp \
     systemd-sysv \
     udev \
     vim.tiny \
+    wireguard-tools \
   && rm -rf /var/lib/apt/lists/*
 
-RUN curl -L -o /tmp/wireguard.deb http://httpredir.debian.org/debian/pool/main/w/wireguard/wireguard-tools_0.0.20190227-1_amd64.deb && dpkg -i /tmp/wireguard.deb; rm /tmp/wireguard.deb
-
 RUN rm -rf /etc/init.d/ && \
     mkdir /overlay && \
     ln -sf /init /sbin/init && \
diff --git a/pkg/debian-tuto2/issue b/pkg/debian-tuto2/issue
index 7b7232a..341be82 100644
--- a/pkg/debian-tuto2/issue
+++ b/pkg/debian-tuto2/issue
@@ -7,6 +7,6 @@
  o88o     o8888o `Y8bod88P" o888ooooood8 o888o o888o o888o
 
 
-Debian GNU/Linux 9 \n \l
+Debian GNU/Linux \n \l
 
 IPv4: \4