diff --git a/Jenkinsfile b/Jenkinsfile
index f699f5e..881fa33 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -25,7 +25,7 @@ pipeline {
 
 			steps {
 				script {
-					def image = docker.build("springci/spring-data-release-tools:0.17", "ci")
+					def image = docker.build("springci/spring-data-release-tools:0.18", "ci")
 					docker.withRegistry('', 'hub.docker.com-springbuildmaster') {
 						image.push()
 					}
@@ -41,7 +41,7 @@ pipeline {
 
 			agent {
 				docker {
-					image 'springci/spring-data-release-tools:0.17'
+					image 'springci/spring-data-release-tools:0.18'
 				}
 			}
 
diff --git a/ci/Dockerfile b/ci/Dockerfile
index bff7b36..4327151 100755
--- a/ci/Dockerfile
+++ b/ci/Dockerfile
@@ -1,17 +1,20 @@
 FROM ubuntu:23.04
 
 # Bake a container using sdkman to get all the needed JDKs.
-#
-
-ARG USER_UID="1001"
-ARG USER_GID="1001"
+ARG USER_UID="1100"
+ARG USER_GID="1100"
 ARG USER_NAME="jenkins"
 
 RUN groupadd -g $USER_GID $USER_NAME && \
 	useradd -m -g $USER_GID -u $USER_UID $USER_NAME
 
+COPY java-init.sh /home/jenkins/java-init.sh
+COPY java-tools.properties /home/jenkins/java-tools.properties
+
 RUN set -eux; \
-	touch /etc/apt/apt.conf.d/99verify-peer.conf &&  \
+	chown $USER_UID:$USER_GID /home/jenkins && \
+	chown -R $USER_UID:$USER_GID /home/jenkins/* && \
+	touch /etc/apt/apt.conf.d/99verify-peer.conf && \
 	echo >>/etc/apt/apt.conf.d/99verify-peer.conf "Acquire { https::Verify-Peer false }" && \
 	sed -i -e 's/archive.ubuntu.com/atl.mirrors.clouvider.net\/ubuntu/g' /etc/apt/sources.list && \
 	sed -i -e 's/security.ubuntu.com/atl.mirrors.clouvider.net\/ubuntu/g' /etc/apt/sources.list && \
@@ -24,12 +27,10 @@ RUN set -eux; \
 
 USER $USER_UID:$USER_GID
 
-COPY java-init.sh /temp/java-init.sh
-COPY java-tools.properties /temp/java-tools.properties
-
 RUN curl -s "https://get.sdkman.io" | bash
 
-RUN bash -c "cd /temp && \
+RUN bash -c "cd /home/jenkins && \
+	chmod a+x /home/jenkins/java-init.sh && \
 	./java-init.sh && \
 	rm -rf $HOME/.sdkman/archives/* && \
 	rm -rf $HOME/.sdkman/tmp/*"
diff --git a/ci/java-init.sh b/ci/java-init.sh
index 900de9a..8727f04 100755
--- a/ci/java-init.sh
+++ b/ci/java-init.sh
@@ -4,6 +4,7 @@
 # Utility to install Java and Maven into the build container image #
 ####################################################################
 
+echo $HOME
 source $HOME/.sdkman/bin/sdkman-init.sh
 JAVA_TOOLS_PROPERTIES=java-tools.properties