diff --git a/Dockerfile b/Dockerfile
index 3362619..5bf1fab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,10 +51,10 @@
 
 # jenkins version being bundled in this docker image
 ARG JENKINS_VERSION
-ENV JENKINS_VERSION ${JENKINS_VERSION:-2.414.3}
+ENV JENKINS_VERSION ${JENKINS_VERSION:-2.426.3}
 
 # jenkins.war checksum, download will be validated using it
-ARG JENKINS_SHA=2d93254bc186df349bc4ad06b6b1dd757c493190f0558d111dbda9517a847b59
+ARG JENKINS_SHA=ab439243a6a07e2e78fe7c3408c59609f7be3bf268947ac214657af96abad106
 
 # Can be used to customize where jenkins.war get downloaded from
 ARG JENKINS_URL=https://repo.jenkins-ci.org/public/org/jenkins-ci/main/jenkins-war/${JENKINS_VERSION}/jenkins-war-${JENKINS_VERSION}.war