diff --git a/Dockerfile b/Dockerfile
index 9a4c42c..8962d15 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,8 +21,9 @@
 
 COPY init.groovy /usr/share/jenkins/ref/init.groovy.d/tcp-slave-agent-port.groovy
 
-ENV JENKINS_VERSION 1.618
-ENV JENKINS_SHA 185026241b2c24fa70053437d5c55e40d23527e2
+ENV JENKINS_VERSION 1.619
+# curl http://repo.jenkins-ci.org/simple/releases/org/jenkins-ci/main/jenkins-war/1.619/jenkins-war-${JENKINS_VERSION}.war.sha1
+ENV JENKINS_SHA 2fce08aaba46cde57398fa484069ab6b95520b7e
 
 # could use ADD but this one does not check Last-Modified header 
 # see https://github.com/docker/docker/issues/8331