diff --git a/Dockerfile b/Dockerfile
index b00d789..0d03740 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM ubuntu:trusty
+FROM ubuntu:bionic
 MAINTAINER Wurstmeister 
-RUN apt-get update; apt-get install -y unzip openjdk-7-jre-headless wget supervisor docker.io openssh-server
-ENV JAVA_HOME /usr/lib/jvm/java-7-openjdk-amd64/
+RUN apt-get update; apt-get -y install gnupg dirmngr unzip openjdk-8-jre wget supervisor docker.io openssh-server
+ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64
 RUN echo 'root:wurstmeister' | chpasswd
 RUN mkdir /var/run/sshd
 RUN sed -i 's/PermitRootLogin without-password/PermitRootLogin yes/' /etc/ssh/sshd_config