diff --git a/scripts/Dockerfile-ubuntu_18_04 b/scripts/Dockerfile-ubuntu_18_04
index 4a0982b4..52a896a9 100644
--- a/scripts/Dockerfile-ubuntu_18_04
+++ b/scripts/Dockerfile-ubuntu_18_04
@@ -5,7 +5,13 @@ ARG TZ="Europe/London"
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN apt-get update -y && \
-    apt-get install -y --no-install-recommends software-properties-common && \
+    apt-get install -y \
+        apt-transport-https \
+        ca-certificates \
+        gnupg \
+        software-properties-common \
+    && wget -qO - https://apt.kitware.com/keys/kitware-archive-latest.asc | sudo apt-key add - && \
+    add-apt-repository 'deb https://apt.kitware.com/ubuntu/ bionic main' && \
     add-apt-repository ppa:ubuntu-toolchain-r/test && \
     apt-get update -y && \
     apt-get install -y \