diff --git a/Jenkinsfile b/Jenkinsfile
index e32818af06a1..08b681c110f7 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -20,7 +20,7 @@
 env.label = "glassfish-ci-pod-${UUID.randomUUID().toString()}"
 
 // Docker image defined in this project in [glassfish]/etc/docker/Dockerfile
-env.gfImage = "ee4jglassfish/ci:tini-jdk-11.0.10"
+env.gfImage = "ee4jglassfish/ci:tini-jdk-11.0.14.1"
 
 def jobs = [
   "verifyPhase",
diff --git a/etc/docker/Dockerfile b/etc/docker/Dockerfile
index ba358dba9a3a..c2c4268662ce 100644
--- a/etc/docker/Dockerfile
+++ b/etc/docker/Dockerfile
@@ -2,13 +2,14 @@ FROM krallin/centos-tini
 
 ADD ./entrypoint.sh /etc/
 
+# HOWTO:
 #
-# The JDK was got from the following releases:
-#  -JDK11: https://github.com/AdoptOpenJDK/openjdk11-upstream-binaries/
-#          releases/download/jdk-11.0.10%2B9/OpenJDK11U-jdk_x64_linux_11.0.10_9.tar.gz
-# Since the JDK is a very large file, download and add the file manually.
+# 1) cd etc/docker
+# 2) wget https://github.com/AdoptOpenJDK/openjdk11-upstream-binaries/releases/download/jdk-11.0.14.1%2B1/OpenJDK11U-jdk_x64_linux_11.0.14.1_1.tar.gz
+# 3) tar -xvzf OpenJDK11U-jdk_x64_linux_11.0.14.1_1.tar.gz
+# 4) make # takes aroung 5 minutes, depending on network speed
 #
-ADD ./openjdk-11.0.10_9 /usr/lib/jvm/jdk11
+ADD ./openjdk-11.0.14.1_1 /usr/lib/jvm/jdk11
 
 RUN chmod +x /etc/entrypoint.sh && \
     #
@@ -24,7 +25,7 @@ RUN chmod +x /etc/entrypoint.sh && \
     #
     # install maven
     #
-    curl -O https://archive.apache.org/dist/maven/maven-3/3.6.0/binaries/apache-maven-3.6.0-bin.zip && \
+    curl -O https://archive.apache.org/dist/maven/maven-3/3.8.5/binaries/apache-maven-3.8.5-bin.zip && \
     unzip apache-maven-*-bin.zip -d /usr/share && \
     rm apache-maven-*-bin.zip && \
     mv /usr/share/apache-maven-* /usr/share/maven && \
diff --git a/etc/docker/Makefile b/etc/docker/Makefile
index b6d0ff32f188..2007bb50b167 100644
--- a/etc/docker/Makefile
+++ b/etc/docker/Makefile
@@ -1,5 +1,5 @@
 SHELL := /bin/bash
-IMAGE_TAG = tini-jdk-11.0.10
+IMAGE_TAG = tini-jdk-11.0.14.1
 
 .PHONY: clean docker-clean docker-build docker-push