diff --git a/Dockerfile b/Dockerfile
index 026b784..b4319e0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@
 ENV JENKINS_VERSION 1.565.2
 RUN mkdir /usr/share/jenkins/
 RUN useradd -d /home/jenkins -m -s /bin/bash jenkins
-ADD http://mirrors.jenkins-ci.org/war-stable/$JENKINS_VERSION/jenkins.war /usr/share/jenkins/
+RUN curl -L http://mirrors.jenkins-ci.org/war-stable/$JENKINS_VERSION/jenkins.war -o /usr/share/jenkins/jenkins.war
 
 ENV JENKINS_HOME /var/jenkins_home
 RUN usermod -m -d "$JENKINS_HOME" jenkins && chown -R jenkins "$JENKINS_HOME"