diff --git a/Dockerfile b/Dockerfile
index 97135d3..d6e78ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,8 +27,8 @@
 
 COPY init.groovy /usr/share/jenkins/ref/init.groovy.d/tcp-slave-agent-port.groovy
 
-ENV JENKINS_VERSION 1.642.1
-ENV JENKINS_SHA 6a0213256670a00610a3e09203850a0fcf1a688e
+ENV JENKINS_VERSION 1.642.2
+ENV JENKINS_SHA e72e06e64d23eefb13090459f517b0697aad7be0
 
 
 # could use ADD but this one does not check Last-Modified header