diff --git a/Dockerfile b/Dockerfile
index 33f1eaf..11058aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM cloutainer/k8s-jenkins-slave-base:v17
+FROM cloutainer/k8s-jenkins-slave-base:v21
 
 #
 # BASE PACKAGES