diff --git a/.github/kind-cluster-1.20.yaml b/.github/kind-cluster-1.20.yaml
deleted file mode 100644
index 109e761..0000000
--- a/.github/kind-cluster-1.20.yaml
+++ /dev/null
@@ -1,13 +0,0 @@
-kind: Cluster
-apiVersion: kind.x-k8s.io/v1alpha4
-nodes:
-- role: control-plane
-  image: "kindest/node:v1.20.7"
-- role: control-plane
-  image: "kindest/node:v1.20.7"
-- role: control-plane
-  image: "kindest/node:v1.20.7"
-- role: worker
-  image: "kindest/node:v1.20.7"
-- role: worker
-  image: "kindest/node:v1.20.7"
diff --git a/.github/kind-cluster-1.22.yaml b/.github/kind-cluster-1.22.yaml
index 389f02f..580e77f 100644
--- a/.github/kind-cluster-1.22.yaml
+++ b/.github/kind-cluster-1.22.yaml
@@ -2,12 +2,12 @@ kind: Cluster
 apiVersion: kind.x-k8s.io/v1alpha4
 nodes:
 - role: control-plane
-  image: kindest/node:v1.22.0
+  image: kindest/node:v1.22.4
 - role: control-plane
-  image: kindest/node:v1.22.0
+  image: kindest/node:v1.22.4
 - role: control-plane
-  image: kindest/node:v1.22.0
+  image: kindest/node:v1.22.4
 - role: worker
-  image: kindest/node:v1.22.0
+  image: kindest/node:v1.22.4
 - role: worker
-  image: kindest/node:v1.22.0
+  image: kindest/node:v1.22.4
diff --git a/.github/kind-cluster-1.23.yaml b/.github/kind-cluster-1.23.yaml
new file mode 100644
index 0000000..517200b
--- /dev/null
+++ b/.github/kind-cluster-1.23.yaml
@@ -0,0 +1,13 @@
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+nodes:
+- role: control-plane
+  image: "kindest/node:v1.23.0"
+- role: control-plane
+  image: "kindest/node:v1.23.0"
+- role: control-plane
+  image: "kindest/node:v1.23.0"
+- role: worker
+  image: "kindest/node:v1.23.0"
+- role: worker
+  image: "kindest/node:v1.23.0"
diff --git a/.github/workflows/on-pr.yaml b/.github/workflows/on-pr.yaml
index c011917..78f4fe3 100644
--- a/.github/workflows/on-pr.yaml
+++ b/.github/workflows/on-pr.yaml
@@ -106,9 +106,9 @@ jobs:
       fail-fast: false
       matrix:
         kubernetes:
-          - "1.20"
           - "1.21"
           - "1.22"
+          - "1.23"
     steps:
       - uses: actions/checkout@v2
       - name: Find go version
diff --git a/.github/workflows/periodics-daily.yaml b/.github/workflows/periodics-daily.yaml
index 1639221..b8e251e 100644
--- a/.github/workflows/periodics-daily.yaml
+++ b/.github/workflows/periodics-daily.yaml
@@ -74,9 +74,9 @@ jobs:
     strategy:
       matrix:
         kubernetes:
-          - "1.20"
           - "1.21"
           - "1.22"
+          - "1.23"
     steps:
       - uses: actions/checkout@v2
       - name: Find go version
diff --git a/README.md b/README.md
index 63c56ea..cd1a7ca 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ server:
 
 | kured | kubectl | k8s.io/client-go | k8s.io/apimachinery | expected kubernetes compatibility |
 |-------|---------|------------------|---------------------|-----------------------------------|
-| main  | 1.21.4  | v0.21.4          | v0.21.4             | 1.20.x, 1.21.x, 1.22.x            |
+| main  | 1.22.4  | v0.22.4          | v0.22.4             | 1.21.x, 1.22.x, 1.23.x            |
 | 1.8.1 | 1.21.4  | v0.21.4          | v0.21.4             | 1.20.x, 1.21.x, 1.22.x            |
 | 1.7.0 | 1.20.5  | v0.20.5          | v0.20.5             | 1.19.x, 1.20.x, 1.21.x            |
 | 1.6.1 | 1.19.4  | v0.19.4          | v0.19.4             | 1.18.x, 1.19.x, 1.20.x            |