diff --git a/Dockerfile b/Dockerfile
index 544c706..d97ec47 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,10 @@ ARG MAVEN4_VERSION=4.0.0-alpha-13
 RUN wget https://apk.corretto.aws/amazoncorretto.rsa.pub -O /etc/apk/keys/amazoncorretto.rsa.pub && \
     echo "https://apk.corretto.aws" | tee -a /etc/apk/repositories && \
     apk upgrade --no-cache -a && \
-    apk add --no-cache ca-certificates tzdata tini bash git git-lfs netcat-openbsd openssh-server \
+    apk add --no-cache ca-certificates tzdata tini shadow \
+                       git git-lfs \
+                       netcat-openbsd \
+                       openssh-server \
                        amazon-corretto-8 \
                        amazon-corretto-11 \
                        amazon-corretto-17 \
@@ -18,7 +21,9 @@ RUN wget https://apk.corretto.aws/amazoncorretto.rsa.pub -O /etc/apk/keys/amazon
     wget https://dlcdn.apache.org/maven/maven-3/"$MAVEN_VERSION"/binaries/apache-maven-"$MAVEN_VERSION"-bin.tar.gz -O - | tar xz -C /usr/local/bin && \
     mv /usr/local/bin/apache-maven-"$MAVEN_VERSION" /usr/local/bin/mvn && \
     wget https://dlcdn.apache.org/maven/maven-4/"$MAVEN4_VERSION"/binaries/apache-maven-"$MAVEN4_VERSION"-bin.tar.gz -O - | tar xz -C /usr/local/bin && \
-    mv /usr/local/bin/apache-maven-"$MAVEN4_VERSION" /usr/local/bin/mvn4
+    mv /usr/local/bin/apache-maven-"$MAVEN4_VERSION" /usr/local/bin/mvn4 && \
+    adduser -h /tmp -s /bin/ash -DHu 1000 -k /dev/null jenkins
+    apk del --no-cache shadow
 
 COPY --from=docker:26.0.0-cli-alpine3.19 /usr/local/bin/docker /usr/local/bin/docker
 COPY setup-sshd.sh /usr/local/bin/setup-sshd.sh