diff --git a/ubuntu/Dockerfile b/ubuntu/Dockerfile
index 96d4b0b..c1d1aed 100644
--- a/ubuntu/Dockerfile
+++ b/ubuntu/Dockerfile
@@ -1,5 +1,9 @@
 FROM ubuntu
 
-RUN apt-get -y update &&       \
+RUN apt-get -y update && \
+  apt-get install -y apt-transport-https ca-certificates curl software-properties-common && \
+  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - && \
+  add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable" && \
+  apt-get -y install docker-ce && \
   apt-get install -y curl diffutils jq bash git zsh docker nodejs npm yarn docker
 CMD [ "zsh" ]