diff --git a/docker-compose.yml b/docker-compose.yml
index 0b759ee0..365c209d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -39,7 +39,7 @@ services:
         environment:
             - SLAVE_NAME=testintegration
             - SLAVE_EXECUTORS=2
-            - SLAVE_PARAMS=-labels centos7 -labels ice36 -labels java18 -disableClientsUniqueId
+            - SLAVE_PARAMS=-labels centos7 -labels ice36 -labels java11 -disableClientsUniqueId
             - JENKINS_MASTER=${JENKINS_BASE}${JENKINS_PREFIX}
             - WEB_PREFIX
             - REPO_CONFIG
@@ -60,7 +60,7 @@ services:
         environment:
             - SLAVE_NAME=omero
             - SLAVE_EXECUTORS=2
-            - SLAVE_PARAMS=-labels centos7 -labels ice36 -labels java18 -disableClientsUniqueId
+            - SLAVE_PARAMS=-labels centos7 -labels ice36 -labels java11 -disableClientsUniqueId
             - JENKINS_MASTER=${JENKINS_BASE}${JENKINS_PREFIX}
             - WEBHOST=http://nginx${WEB_PREFIX}
         ports:
@@ -79,7 +79,7 @@ services:
         environment:
             - SLAVE_NAME=web
             - SLAVE_EXECUTORS=2
-            - SLAVE_PARAMS= -labels centos7 -labels ice36 -labels java18 -disableClientsUniqueId
+            - SLAVE_PARAMS= -labels centos7 -labels ice36 -labels java11 -disableClientsUniqueId
             - JENKINS_MASTER=${JENKINS_BASE}${JENKINS_PREFIX}
             - WEB_PREFIX
 
@@ -96,7 +96,7 @@ services:
             - ./nginx/sslcert:/etc/nginx/ssl
         environment:
             - SLAVE_NAME=nginx
-            - SLAVE_PARAMS=-labels centos7 -labels java18 -disableClientsUniqueId
+            - SLAVE_PARAMS=-labels centos7 -labels java11 -disableClientsUniqueId
             - JENKINS_MASTER=${JENKINS_BASE}${JENKINS_PREFIX}
         ports:
             - "${NGINX_PORT}80"
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 6c88f972..1d846dcf 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,6 +2,12 @@ FROM openmicroscopy/devslave-c7:0.7.2
 
 MAINTAINER OME
 
+# manually install java11
+RUN yum -y install java-11-openjdk-devel
+# Switch Java version
+ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
+
 RUN yum -y install -y yum-utils \
   device-mapper-persistent-data \
   lvm2
diff --git a/home/config.xml b/home/config.xml
index c2bb1dde..56c7f2ae 100644
--- a/home/config.xml
+++ b/home/config.xml
@@ -22,22 +22,6 @@
   <workspaceDir>${ITEM_ROOTDIR}/workspace</workspaceDir>
   <buildsDir>${ITEM_ROOTDIR}/builds</buildsDir>
   <markupFormatter class="hudson.markup.EscapedMarkupFormatter"/>
-  <jdks>
-    <jdk>
-      <name>JDK8</name>
-      <home></home>
-      <properties>
-        <hudson.tools.InstallSourceProperty>
-          <installers>
-            <hudson.tools.JDKInstaller plugin="jdk-tool@1.5">
-              <id>jdk-8u221-oth-JPR</id>
-              <acceptLicense>true</acceptLicense>
-            </hudson.tools.JDKInstaller>
-          </installers>
-        </hudson.tools.InstallSourceProperty>
-      </properties>
-    </jdk>
-  </jdks>
   <viewsTabBar class="hudson.views.DefaultViewsTabBar"/>
   <myViewsTabBar class="hudson.views.DefaultMyViewsTabBar"/>
   <clouds/>
diff --git a/home/jobs/BIOFORMATS-build/config.xml b/home/jobs/BIOFORMATS-build/config.xml
index b9c07e93..24e1868c 100644
--- a/home/jobs/BIOFORMATS-build/config.xml
+++ b/home/jobs/BIOFORMATS-build/config.xml
@@ -59,12 +59,6 @@
   <triggers/>
   <concurrentBuild>false</concurrentBuild>
   <axes>
-    <hudson.matrix.JDKAxis>
-      <name>jdk</name>
-      <values>
-        <string>JDK8</string>
-      </values>
-    </hudson.matrix.JDKAxis>
     <hudson.matrix.LabelAxis>
       <name>label</name>
       <values>
diff --git a/jenkins/Dockerfile b/jenkins/Dockerfile
index f9fcf955..9b43e653 100644
--- a/jenkins/Dockerfile
+++ b/jenkins/Dockerfile
@@ -1,4 +1,4 @@
-FROM jenkins/jenkins:2.319.2-lts-jdk11
+FROM jenkins/jenkins:2.375.1-lts
 MAINTAINER OME
 
 # Temp fix robot test results
@@ -6,7 +6,9 @@ ENV JAVA_OPTS "-Dhudson.model.DirectoryBrowserSupport.CSP=" -Djenkins.install.ru
 
 COPY plugins.txt /usr/share/jenkins/ref/plugins.txt
 
-RUN /usr/local/bin/install-plugins.sh < /usr/share/jenkins/ref/plugins.txt
+USER jenkins
+RUN jenkins-plugin-cli --plugin-file /usr/share/jenkins/ref/plugins.txt
+#RUN /usr/local/bin/install-plugins.sh < /usr/share/jenkins/ref/plugins.txt
 
 USER root
 RUN chown -R jenkins:jenkins /var/jenkins_home
diff --git a/nginx/Dockerfile b/nginx/Dockerfile
index 47594875..58d28a8c 100644
--- a/nginx/Dockerfile
+++ b/nginx/Dockerfile
@@ -2,6 +2,12 @@ FROM openmicroscopy/devslave-c7:0.7.1
 
 MAINTAINER OME
 
+# manually install java11
+RUN yum -y install java-11-openjdk
+# Switch Java version
+ENV JAVA_HOME /usr/lib/jvm/jre-11-openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
+
 RUN yum -y localinstall http://nginx.org/packages/rhel/7/noarch/RPMS/nginx-release-rhel-7-0.el7.ngx.noarch.rpm \
     && yum clean all
 RUN yum -y install nginx --disablerepo=epel \
diff --git a/server/Dockerfile b/server/Dockerfile
index 6861fdbd..9e9034db 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -2,7 +2,7 @@ FROM openmicroscopy/devslave-c7:0.7.2
 
 MAINTAINER OME
 
-ARG JAVAVER=openjdk1.8
+ARG JAVAVER=openjdk11-devel
 ARG ICEVER=ice36
 ARG BRANCH=yourbranch
 ARG NAME=yourname
@@ -54,6 +54,11 @@ RUN JAVAVER=$JAVAVER ICEVER=$ICEVER PGVER=nopg bash install_centos7.sh
 RUN yum -y install postgresql10 \
     && yum clean all
 
+# Switch Java version
+ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
+
+
 EXPOSE 4064
 EXPOSE 4063
 
diff --git a/slave/Dockerfile b/slave/Dockerfile
index 213d3817..14049496 100644
--- a/slave/Dockerfile
+++ b/slave/Dockerfile
@@ -2,11 +2,12 @@ FROM openmicroscopy/devslave-c7:0.7.2
 
 MAINTAINER OME
 
-ARG JAVAVER=openjdk1.8
+ARG JAVAVER=openjdk11-devel
 ARG ICEVER=ice36-devel
 ARG BRANCH=yourbranch
 ARG NAME=yourname
 
+ARG GRADLEVER=6.9.3
 
 # skip some omero-install
 RUN echo 'export container=docker' > /etc/profile.d/docker.sh
@@ -62,12 +63,13 @@ RUN yum -y install postgresql10-server postgresql10 \
 
 # gradle
 RUN cd /opt && \
-    curl -fSLO https://services.gradle.org/distributions/gradle-5.2.1-bin.zip && \
-    unzip gradle-5.2.1-bin.zip && \
-    rm gradle-5.2.1-bin.zip && \
-    ln -s /opt/gradle-5.2.1/bin/gradle /usr/local/bin/gradle
-# Needed for Gradle
-ENV JAVA_HOME /usr/lib/jvm/jre-1.8.0-openjdk
+    curl -fSLO https://services.gradle.org/distributions/gradle-$GRADLEVER-bin.zip && \
+    unzip gradle-$GRADLEVER-bin.zip && \
+    rm gradle-$GRADLEVER-bin.zip && \
+    ln -s /opt/gradle-$GRADLEVER/bin/gradle /usr/local/bin/gradle
+
+ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
 
 EXPOSE 14064
 EXPOSE 14063
diff --git a/web/Dockerfile b/web/Dockerfile
index 1df0c372..6e78e9f5 100644
--- a/web/Dockerfile
+++ b/web/Dockerfile
@@ -2,7 +2,6 @@ FROM openmicroscopy/devslave-c7:0.7.2
 
 MAINTAINER OME
 
-ARG JAVAVER=openjdk1.8
 ARG ICEVER=noice
 
 # make ICEVERSION environment variable to use in OMERO-web job
@@ -40,6 +39,12 @@ RUN npm install -g grunt
 
 RUN yum install -y python-redis && yum clean all
 
+# manually install java11
+RUN yum -y install java-11-openjdk
+# Switch Java version
+ENV JAVA_HOME /usr/lib/jvm/jre-11-openjdk
+ENV PATH=$JAVA_HOME/bin:$PATH
+
 EXPOSE 4080
 
 ADD ./run.sh /tmp/run.sh