diff --git a/Dockerfile b/Dockerfile
index b1d74a3..f51f17c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,17 +1,17 @@
-FROM ubuntu:trusty
+FROM ubuntu:bionic
 
 ADD start /start
 
 RUN useradd --uid 1000 mcserver && \
-   apt-get update && \
-    apt-get install -y openjdk-7-jre-headless && \
+    apt-get update && \
+    apt-get install -y openjdk-11-jre-headless && \
     mkdir -p /srv/spigot/ /srv/spigot-default/ && \
     chown -R mcserver:mcserver /srv/spigot/ && \
     chmod +x /start
 
 ENV MEMLIMIT=1024m
 
-ADD spigot-1.11.2.jar /srv/spigot-default/spigot.jar
+ADD spigot-1.14.4.jar /srv/spigot-default/spigot.jar
 ADD eula.txt /srv/spigot-default/
 
 ENTRYPOINT ["/start"]
diff --git a/spigot-1.14.4.jar b/spigot-1.14.4.jar
new file mode 100644
index 0000000..9b05660
Binary files /dev/null and b/spigot-1.14.4.jar differ
diff --git a/start b/start
index 7ca93b2..97b0ae4 100755
--- a/start
+++ b/start
@@ -1,5 +1,7 @@
 #!/bin/sh -x
 
+MEMLIMIT=${MEMLIMIT:-2G}
+
 test ! -f /srv/spigot/spigot.jar && cp /srv/spigot-default/spigot.jar /srv/spigot/
 test ! -f /srv/spigot/eula.txt && cp /srv/spigot-default/eula.txt /srv/spigot/