diff --git a/.abf.yml b/.abf.yml
index 7697ebe..fd90c86 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,2 @@
 sources:
-  kubernetes-1.13.11.tar.gz: c7df65ee06e563e373004809569f383b9b463262
+  kubernetes-1.20.2.tar.gz: 06d562409795c779a4826a71e50228f6eb969493
diff --git a/kubernetes.spec b/kubernetes.spec
index 5733210..a99196c 100644
--- a/kubernetes.spec
+++ b/kubernetes.spec
@@ -2,16 +2,19 @@
 %define		debug_package %nil
 
 Name:		kubernetes
-Version:	1.13.11
+Version:	1.20.2
 Release:	1
 Summary:	Production-Grade Container Scheduling and Management
 License:	ASL 2.0
 URL:		https://kubernetes.io
-Source0:	%{name}-%{version}.tar.gz
+Source0:	https://github.com/kubernetes/kubernetes/archive/v%{version}/%{name}-%{version}.tar.gz
+Source1:    https://raw.githubusercontent.com/kubernetes/release/master/packages/rpm/kubelet.service
+Source2:    https://raw.githubusercontent.com/kubernetes/release/master/packages/rpm/10-kubeadm-post-1.11.conf
+Source3:    https://raw.githubusercontent.com/kubernetes/release/master/packages/rpm/kubelet.env
 Source1000:	%{name}.rpmlintrc
 Group:		Development/Other
-BuildRequires:	golang >= 1.12.1
-BuildRequires:	git
+BuildRequires:	go >= 1.15
+BuildRequires:	git-core
 BuildRequires:	upx
 
 %description
@@ -19,6 +22,8 @@ Kubernetes is an open source system for managing containerized
 applications across multiple hosts; providing basic mechanisms
 for deployment, maintenance, and scaling of applications.
 
+#------------------------------------------------------------
+
 %package -n	kubectl
 Summary: Container Cluster Manager - Kubernetes client tools
 
@@ -28,32 +33,31 @@ Command-line utility for interacting with a Kubernetes cluster
 %files -n	kubectl
 %{_bindir}/kubectl
 
+#------------------------------------------------------------
+
 %package -n	kubeadm
-Summary: Container Cluster Manager - Kubernetes Cluster Bootstrapping Tool
-Requires: kubelet >= 1.8.0
-Requires: kubectl >= 1.8.0
-Requires: cni-plugins >= 0.7.5
-Requires: cri-tools >= 1.11.0
+Summary:    Command-line utility for administering a Kubernetes cluster
+Requires:   kubelet >= 1.20.0
+Requires:   kubectl >= 1.20.0
+Requires:   cni-plugins >= 0.8.6
+Requires:   cri-tools >= 1.20.0
 
 %description -n	kubeadm
 Command-line utility for deploying a Kubernetes cluster
 
 %files -n	kubeadm
 %{_bindir}/kubeadm
-%{_sysconfdir}/systemd/kubelet.service.d/10-kubeadm.conf
-%{_sysconfdir}/sysconfig/kubelet
-%dir %{_libexecdir}/modules-load.d
-%{_libexecdir}/modules-load.d/kubeadm.conf
-%{_prefix}/lib/sysctl.d/50-kubeadm.conf
+
+#------------------------------------------------------------
 
 %package -n	kubelet
-Summary: Container Cluster Manager - Kubernetes Node Agent
+Summary:  Container Cluster Manager - Kubernetes Node Agent
 Requires: conntrack
 Requires: ebtables
 Requires: ethtool
 Requires: iproute
 Requires: iptables >= 1.4.21
-Requires: cni-plugins >= 0.7.5
+Requires: cni-plugins >= 0.8.6
 Requires: socat
 Requires: util-linux
 Requires: systemd
@@ -63,78 +67,80 @@ The node agent of Kubernetes, the container cluster manager
 
 %files -n	kubelet
 %{_bindir}/kubelet
-%attr(644,-,-) %{_unitdir}/kubelet.service
+%{_unitdir}/kubelet.service
+%{_unitdir}/kubelet.service.d/10-kubeadm.conf
 %{_sysconfdir}/kubernetes/manifests/
+%{_sysconfdir}/sysconfig/kubelet
 
-%package	client
-Summary:	Kubernetes client tools
-BuildRequires:	golang >= 1.12.0
-Requires:	kubectl == %{version}
+#------------------------------------------------------------
 
-%description	client
-Kubernetes client tools like kubectl
+%package tools
+Summary:    Kubernetes tools
 
-%files		client
-%doc *.md LICENSE
-%{_bindir}/hyperkube
+%description tools
+Kubernetes tools
 
-%package	docs
-Summary:	Kubernetes documentations
+%files tools
+%{_bindir}/kube-*
 
-%description	docs
-Kubernetes documentations
+#------------------------------------------------------------
 
-%files		docs
-%doc docs/admin/*.md docs/user-guide/kubectl/*.md docs/yaml/kubectl/*.yaml docs/api-reference LICENSE
+%package docs
+Summary:    Documentation for Kubernetes
+
+%description docs
+Documentation for Kubernetes
+
+%files docs
+%doc docs/admin docs/user-guide docs/yaml README.md LICENSE
 %{_mandir}/man1/*
 
+#------------------------------------------------------------
+
 %prep
 %setup -q
 
 %build
-%define GOPATH $RPM_BUILD_DIR/go
-GOPATH=%{GOPATH} make
+#create docs
+hack/update-generated-docs.sh
 
-hack/generate-docs.sh
+make all GOLDFLAGS="-s -w"
 
-upx _output/bin/kubeadm
-upx _output/bin/kubelet
-upx _output/bin/kubectl
-upx _output/bin/hyperkube
+#upx _output/bin/kubeadm
+#upx _output/bin/kubelet
+#upx _output/bin/kubectl
+#upx _output/bin/*
 
 %install
+
+#make install
 install -dm0755 %{buildroot}%{_bindir}
-install -dm0755 %{buildroot}%{_sysconfdir}/systemd/kubelet.service.d
+install -dm0755 %{buildroot}%{_unitdir}/kubelet.service.d/
 install -dm0755 %{buildroot}%{_sysconfdir}/sysconfig
 install -dm0755 %{buildroot}%{_sysconfdir}/kubernetes/manifests
+install -dm0755 %{buildroot}%{_sysconfdir}/sysconfig/kubelet
+install -dm0755 %{buildroot}%{_sysconfdir}/cni/net.d
 install -dm0755 %{buildroot}%{_libexecdir}/modules-load.d
 install -dm0755 %{buildroot}/usr/lib/sysctl.d
 install -dm0755 %{buildroot}%{_mandir}/man1
-install -dm0755 %{buildroot}%{_unitdir}
 
 # kubeadm
-install -p -m 0755 -t %{buildroot}%{_bindir} _output/bin/kubeadm
-install -p -m 0644 -t %{buildroot}%{_sysconfdir}/systemd/kubelet.service.d/ build/rpms/10-kubeadm.conf
-
-install -p -m 0644 -T build/rpms/kubelet.env %{buildroot}%{_sysconfdir}/sysconfig/kubelet
-install -p -m 0644 -t %{buildroot}%{_libexecdir}/modules-load.d/ build/rpms/kubeadm.conf
-install -p -m 0644 -t %{buildroot}/usr/lib/sysctl.d/ build/rpms/50-kubeadm.conf
+install -Dm0755 _output/bin/kubeadm %{buildroot}%{_bindir}/kubeadm
 
 # kubelet
-install -p -m 0755 -t %{buildroot}%{_bindir} _output/bin/kubelet
-install -p -m 0644 build/rpms/kubelet.service %{buildroot}%{_unitdir}
+install -Dm0755 _output/bin/kubelet %{buildroot}%{_bindir}/kubelet
+install -Dm0644 %{SOURCE1} %{buildroot}%{_unitdir}/kubelet.service
+install -Dm0644 %{SOURCE2} %{buildroot}%{_unitdir}/kubelet.service.d/10-kubeadm.conf
+install -Dm0644 %{SOURCE3} %{buildroot}%{_sysconfdir}/sysconfig/kubelet
 
 # kubectl
-install -p -m 0755 -t %{buildroot}%{_bindir} _output/bin/kubectl
+install -Dm0755 _output/bin/kubectl %{buildroot}%{_bindir}/kubectl
+
+# other bins
+install -Dm0755 _output/bin/kube-* %{buildroot}%{_bindir}
 
 # docs
-install -p -m 0644 docs/man/man1/* %{buildroot}%{_mandir}/man1/
-
-# client
-install -p -m 0755 _output/bin/hyperkube %{buildroot}%{_bindir}
-
-# fix perm docs
-find docs/ -type f -exec chmod 0644 {} \;
+install -Dm0644 docs/man/man1/* %{buildroot}%{_mandir}/man1
 
 %files
-%doc README.md LICENSE CHANGELOG-*.md
+%doc README.md LICENSE LICENSES