diff --git a/Dockerfile b/Dockerfile
index b00a77a..2df3262 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,10 +36,10 @@
 
 # jenkins version being bundled in this docker image
 ARG JENKINS_VERSION
-ENV JENKINS_VERSION ${JENKINS_VERSION:-2.7.2}
+ENV JENKINS_VERSION ${JENKINS_VERSION:-2.7.3}
 
 # jenkins.war checksum, download will be validated using it
-ARG JENKINS_SHA=4c05175677825a0c311ef3001bbb0a767dad0e8d
+ARG JENKINS_SHA=f822e70810e0d30c6fbe7935273635740faa3d89
 
 # Can be used to customize where jenkins.war get downloaded from
 ARG JENKINS_URL=http://repo.jenkins-ci.org/public/org/jenkins-ci/main/jenkins-war/${JENKINS_VERSION}/jenkins-war-${JENKINS_VERSION}.war