diff --git a/contrib/build-linux/appimage/Dockerfile b/contrib/build-linux/appimage/Dockerfile
index 7ca5af1dd..453294219 100644
--- a/contrib/build-linux/appimage/Dockerfile
+++ b/contrib/build-linux/appimage/Dockerfile
@@ -1,50 +1,57 @@
 # Note: we deliberately use an old Ubuntu LTS as base image.
 # from https://docs.appimage.org/introduction/concepts.html :
 # "[AppImages] should be built on the oldest possible system, allowing them to run on newer system[s]"
-FROM ubuntu:16.04@sha256:a4fc0c40360ff2224db3a483e5d80e9164fe3fdce2a8439d2686270643974632
+FROM ubuntu:18.04@sha256:9bc830af2bef73276515a29aa896eedfa7bdf4bdbc5c1063b4c457a4bbb8cd79
 
 ENV LC_ALL=C.UTF-8 LANG=C.UTF-8
 ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update -q && \
     apt-get install -qy \
-        git=1:2.7.4-0ubuntu1.10 \
-        wget=1.17.1-1ubuntu1.5 \
-        make=4.1-6 \
-        autotools-dev=20150820.1 \
-        autoconf=2.69-9 \
-        libtool=2.4.6-0.1 \
-        autopoint=0.19.7-2ubuntu3.1 \
-        xz-utils=5.1.1alpha+20120614-2ubuntu2 \
-        libssl-dev=1.0.2g-1ubuntu4.20 \
-        libssl1.0.0=1.0.2g-1ubuntu4.20 \
-        openssl=1.0.2g-1ubuntu4.20 \
-        zlib1g-dev=1:1.2.8.dfsg-2ubuntu4.3 \
-        libffi-dev=3.2.1-4 \
-        libncurses5-dev=6.0+20160213-1ubuntu1 \
-        libsqlite3-dev=3.11.0-1ubuntu1.5 \
-        libusb-1.0-0-dev=2:1.0.20-1 \
-        libudev-dev=229-4ubuntu21.31 \
-        gettext=0.19.7-2ubuntu3.1 \
-        libzbar0=0.10+doc-10ubuntu1  \
-        libdbus-1-3=1.10.6-1ubuntu3.6 \
-        libxkbcommon-x11-0=0.5.0-1ubuntu2.1 \
-        libxcb1=1.11.1-1ubuntu1 \
-        libxcb-xinerama0=1.11.1-1ubuntu1 \
-        libxcb-randr0=1.11.1-1ubuntu1 \
-        libxcb-render0=1.11.1-1ubuntu1 \
-        libxcb-shm0=1.11.1-1ubuntu1 \
-        libxcb-shape0=1.11.1-1ubuntu1 \
-        libxcb-sync1=1.11.1-1ubuntu1 \
-        libxcb-xfixes0=1.11.1-1ubuntu1 \
-        libxcb-xkb1=1.11.1-1ubuntu1 \
+        git=1:2.17.1-1ubuntu0.9 \
+        wget=1.19.4-1ubuntu2.2 \
+        make=4.1-9.1ubuntu1 \
+        autotools-dev=20180224.1 \
+        autoconf=2.69-11 \
+        libtool=2.4.6-2 \
+        autopoint=0.19.8.1-6ubuntu0.3 \
+        xz-utils=5.2.2-1.3 \
+        libssl-dev=1.1.1-1ubuntu2.1~18.04.13 \
+        libssl1.1=1.1.1-1ubuntu2.1~18.04.13 \
+        openssl=1.1.1-1ubuntu2.1~18.04.13 \
+        zlib1g-dev=1:1.2.11.dfsg-0ubuntu2 \
+        libffi-dev=3.2.1-8 \
+        libncurses5-dev=6.1-1ubuntu1.18.04 \
+        libncurses5=6.1-1ubuntu1.18.04 \
+        libtinfo-dev=6.1-1ubuntu1.18.04 \
+        libtinfo5=6.1-1ubuntu1.18.04 \
+        libsqlite3-dev=3.22.0-1ubuntu0.4 \
+        libusb-1.0-0-dev=2:1.0.21-2 \
+        libudev-dev=237-3ubuntu10.52 \
+        libudev1=237-3ubuntu10.52 \
+        gettext=0.19.8.1-6ubuntu0.3 \
+        libzbar0=0.10+doc-10.1build2  \
+        libdbus-1-3=1.12.2-1ubuntu1.2 \
+        libxkbcommon0=0.8.0-1ubuntu0.1 \
+        libxkbcommon-x11-0=0.8.0-1ubuntu0.1 \
+        libxcb1=1.13-1 \
+        libxcb-xinerama0=1.13-1 \
+        libxcb-randr0=1.13-1 \
+        libxcb-render0=1.13-1 \
+        libxcb-shm0=1.13-1 \
+        libxcb-shape0=1.13-1 \
+        libxcb-sync1=1.13-1 \
+        libxcb-xfixes0=1.13-1 \
+        libxcb-xkb1=1.13-1 \
         libxcb-icccm4=0.4.1-1ubuntu1 \
         libxcb-image0=0.4.0-1build1 \
         libxcb-keysyms1=0.4.0-1 \
         libxcb-util1=0.4.0-0ubuntu3 \
         libxcb-render-util0=0.3.9-1 \
-        libx11-xcb1=2:1.6.3-1ubuntu2.2 \
-        libc6-dev=2.23-0ubuntu11.3 \
+        libx11-xcb1=2:1.6.4-3ubuntu0.4 \
+        libc6-dev=2.27-3ubuntu1.4 \
+        libc6=2.27-3ubuntu1.4 \
+        libc-dev-bin=2.27-3ubuntu1.4 \
         && \
     rm -rf /var/lib/apt/lists/* && \
     apt-get autoremove -y && \