diff --git a/Dockerfile b/Dockerfile
index 99bec7c..b597eaf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 #
 FROM alpine:3 as downloader
 
-ARG JSWARM_VERSION=3.15
+ARG JSWARM_VERSION=3.34
 ARG JSWARM_JAR_NAME=swarm-client-${JSWARM_VERSION}.jar
 ARG JSWARM_URL=https://repo.jenkins-ci.org/releases/org/jenkins-ci/plugins/swarm-client/${JSWARM_VERSION}/${JSWARM_JAR_NAME}
 
@@ -28,7 +28,7 @@ RUN apk add --no-cache --upgrade openjdk8 bash git docker make
 #
 FROM pkg_base
 
-ARG JSWARM_VERSION=3.15
+ARG JSWARM_VERSION=3.34
 ARG JSWARM_JAR_NAME=swarm-client-${JSWARM_VERSION}.jar
 ARG JSWARM_JAR_DIR=/usr/share/jenkins
 ARG JSWARM_JAR=${JSWARM_JAR_DIR}/${JSWARM_JAR_NAME}