diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 618940e..1acd20d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,7 +44,7 @@ jobs:
     needs: build
     strategy:
       matrix:
-        k8s: [v1.14.10, v1.15.12, v1.16.15, v1.17.17, v1.18.15, v1.19.7, v1.20.2]
+        k8s: [v1.16.15, v1.17.17, v1.18.15, v1.19.7, v1.20.2, v1.21.1]
     steps:
       - uses: actions/checkout@v1
 
@@ -52,7 +52,7 @@ jobs:
         id: kind
         uses: engineerd/setup-kind@v0.5.0
         with:
-          version: v0.10.0
+          version: v0.11.1
           config: hack/kubernetes/kind.yaml
           image: kindest/node:${{ matrix.k8s }}
 
diff --git a/Makefile b/Makefile
index 98c5bc4..74c138a 100644
--- a/Makefile
+++ b/Makefile
@@ -56,7 +56,7 @@ BASEIMAGE_DBG    ?= debian:buster
 
 GO_VERSION       ?= 1.16
 BUILD_IMAGE      ?= appscode/golang-dev:$(GO_VERSION)
-CHART_TEST_IMAGE ?= quay.io/helmpack/chart-testing:v3.0.0
+CHART_TEST_IMAGE ?= quay.io/helmpack/chart-testing:v3.4.0
 
 OUTBIN = bin/$(OS)_$(ARCH)/$(BIN)
 ifeq ($(OS),windows)