diff --git a/.github/workflows/apiserver-test.yaml b/.github/workflows/apiserver-test.yaml
index 5a886c1ee..601052d69 100644
--- a/.github/workflows/apiserver-test.yaml
+++ b/.github/workflows/apiserver-test.yaml
@@ -65,7 +65,7 @@ jobs:
       - name: Setup Kind Cluster (Worker)
         run: |
           kind delete cluster --name worker
-          kind create cluster --image kindest/node:v1.18.15@sha256:5c1b980c4d0e0e8e7eb9f36f7df525d079a96169c8a8f20d8bd108c0d0889cc4 --name worker
+          kind create cluster --image kindest/node:v1.20.7@sha256:688fba5ce6b825be62a7c7fe1415b35da2bdfbb5a69227c499ea4cc0008661ca --name worker
           kubectl version
           kubectl cluster-info
           kind get kubeconfig --name worker --internal > /tmp/worker.kubeconfig
@@ -74,7 +74,7 @@ jobs:
       - name: Setup Kind Cluster (Hub)
         run: |
           kind delete cluster
-          kind create cluster --image kindest/node:v1.18.15@sha256:5c1b980c4d0e0e8e7eb9f36f7df525d079a96169c8a8f20d8bd108c0d0889cc4
+          kind create cluster --image kindest/node:v1.20.7@sha256:688fba5ce6b825be62a7c7fe1415b35da2bdfbb5a69227c499ea4cc0008661ca
           kubectl version
           kubectl cluster-info
 
diff --git a/.github/workflows/e2e-multicluster-test.yml b/.github/workflows/e2e-multicluster-test.yml
index a6a4ff0f4..66cd96932 100644
--- a/.github/workflows/e2e-multicluster-test.yml
+++ b/.github/workflows/e2e-multicluster-test.yml
@@ -60,7 +60,7 @@ jobs:
       - name: Setup Kind Cluster (Worker)
         run: |
           kind delete cluster --name worker
-          kind create cluster --image kindest/node:v1.18.15@sha256:5c1b980c4d0e0e8e7eb9f36f7df525d079a96169c8a8f20d8bd108c0d0889cc4 --name worker
+          kind create cluster --image kindest/node:v1.20.7@sha256:688fba5ce6b825be62a7c7fe1415b35da2bdfbb5a69227c499ea4cc0008661ca --name worker
           kubectl version
           kubectl cluster-info
           kind get kubeconfig --name worker --internal > /tmp/worker.kubeconfig
@@ -69,7 +69,7 @@ jobs:
       - name: Setup Kind Cluster (Hub)
         run: |
           kind delete cluster
-          kind create cluster --image kindest/node:v1.18.15@sha256:5c1b980c4d0e0e8e7eb9f36f7df525d079a96169c8a8f20d8bd108c0d0889cc4
+          kind create cluster --image kindest/node:v1.20.7@sha256:688fba5ce6b825be62a7c7fe1415b35da2bdfbb5a69227c499ea4cc0008661ca
           kubectl version
           kubectl cluster-info
 
diff --git a/.github/workflows/e2e-rollout-test.yml b/.github/workflows/e2e-rollout-test.yml
index f91ac3b9b..b5bfec9c1 100644
--- a/.github/workflows/e2e-rollout-test.yml
+++ b/.github/workflows/e2e-rollout-test.yml
@@ -60,7 +60,7 @@ jobs:
       - name: Setup Kind Cluster
         run: |
           kind delete cluster
-          kind create cluster --image kindest/node:v1.18.15@sha256:5c1b980c4d0e0e8e7eb9f36f7df525d079a96169c8a8f20d8bd108c0d0889cc4
+          kind create cluster --image kindest/node:v1.20.7@sha256:688fba5ce6b825be62a7c7fe1415b35da2bdfbb5a69227c499ea4cc0008661ca
           kubectl version
           kubectl cluster-info
 
diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 748ce5e66..4a65f381b 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -60,7 +60,7 @@ jobs:
       - name: Setup Kind Cluster
         run: |
           kind delete cluster
-          kind create cluster --image kindest/node:v1.18.15@sha256:5c1b980c4d0e0e8e7eb9f36f7df525d079a96169c8a8f20d8bd108c0d0889cc4
+          kind create cluster --image kindest/node:v1.20.7@sha256:688fba5ce6b825be62a7c7fe1415b35da2bdfbb5a69227c499ea4cc0008661ca
           kubectl version
           kubectl cluster-info
 
diff --git a/contribute/developer-guide.md b/contribute/developer-guide.md
index d2b6fac89..ec192577b 100644
--- a/contribute/developer-guide.md
+++ b/contribute/developer-guide.md
@@ -5,7 +5,7 @@ This guide helps you get started developing KubeVela.
 ## Prerequisites
 
 1. Golang version 1.17+
-2. Kubernetes version v1.18+ with `~/.kube/config` configured.
+2. Kubernetes version v1.20+ with `~/.kube/config` configured.
 3. ginkgo 1.14.0+ (just for [E2E test](./developer-guide.md#e2e-test))
 4. golangci-lint 1.38.0+, it will install automatically if you run `make`, you can [install it manually](https://golangci-lint.run/usage/install/#local-installation) if the installation is too slow.
 5. kubebuilder v3.1.0+ and you need to manually install the dependency tools for unit test.
@@ -177,7 +177,7 @@ To execute the e2e test of the API module, the mongodb service needs to exist lo
 # save your config
 mv ~/.kube/config  ~/.kube/config.save
 
-kind create cluster --image kindest/node:v1.18.15@sha256:5c1b980c4d0e0e8e7eb9f36f7df525d079a96169c8a8f20d8bd108c0d0889cc4 --name worker
+kind create cluster --image kindest/node:v1.20.7@sha256:688fba5ce6b825be62a7c7fe1415b35da2bdfbb5a69227c499ea4cc0008661ca --name worker
 kind get kubeconfig --name worker --internal > /tmp/worker.kubeconfig
 kind get kubeconfig --name worker > /tmp/worker.client.kubeconfig