-https://storage.googleapis.com/kubernetes-release/release/v1.13.5/bin/linux/amd64/kubectl
-https://storage.googleapis.com/kubernetes-helm/helm-v2.12.3-linux-amd64.tar.gz
-https://github.com/rancher/rke/releases/download/v0.2.1/rke_linux-amd64
+https://storage.googleapis.com/kubernetes-release/release/v1.15.11/bin/linux/amd64/kubectl
+https://get.helm.sh/helm-v2.16.6-linux-amd64.tar.gz
+https://get.helm.sh/helm-v3.3.4-linux-amd64.tar.gz
+https://github.com/rancher/rke/releases/download/v1.0.4/rke_linux-amd64
+https://s3.amazonaws.com/chartmuseum/release/latest/bin/linux/amd64/chartmuseum