diff --git a/README.md b/README.md
index 03a5b87..0a4bf07 100644
--- a/README.md
+++ b/README.md
@@ -199,7 +199,7 @@ Run the script specifying the version for the new release.
 ./tag.sh --tag <release_version>
 ```
 
-Versions must start with a lower-case `v`, e. g. `v2.3.3`.
+Versions must start with a lower-case `v`, e. g. `v2.4.0`.
 
 
 ## Supported versions
diff --git a/examples/docker-for-mac/my_test.sh b/examples/docker-for-mac/my_test.sh
index b567c5c..9308ff7 100755
--- a/examples/docker-for-mac/my_test.sh
+++ b/examples/docker-for-mac/my_test.sh
@@ -18,7 +18,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-readonly IMAGE_TAG=v2.3.3
+readonly IMAGE_TAG=v2.4.0
 readonly IMAGE_REPOSITORY="quay.io/helmpack/chart-testing"
 
 main() {
diff --git a/examples/gke/Dockerfile b/examples/gke/Dockerfile
index 368ee6a..17603e7 100644
--- a/examples/gke/Dockerfile
+++ b/examples/gke/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM quay.io/helmpack/chart-testing:v2.3.3
+FROM quay.io/helmpack/chart-testing:v2.4.0
 
 ENV PATH /google-cloud-sdk/bin:$PATH
 ARG CLOUD_SDK_VERSION=221.0.0
diff --git a/examples/kind/.circleci/config.yml b/examples/kind/.circleci/config.yml
index 547b739..642ab10 100644
--- a/examples/kind/.circleci/config.yml
+++ b/examples/kind/.circleci/config.yml
@@ -10,7 +10,7 @@ jobs:
 
   lint-charts:
     docker:
-      - image: quay.io/helmpack/chart-testing:v2.3.3
+      - image: quay.io/helmpack/chart-testing:v2.4.0
     steps:
       - checkout
       - run:
diff --git a/examples/kind/test/e2e-kind.sh b/examples/kind/test/e2e-kind.sh
index f784c3f..7293a70 100755
--- a/examples/kind/test/e2e-kind.sh
+++ b/examples/kind/test/e2e-kind.sh
@@ -4,7 +4,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-readonly CT_VERSION=v2.3.3
+readonly CT_VERSION=v2.4.0
 readonly KIND_VERSION=v0.5.1
 readonly CLUSTER_NAME=chart-testing
 readonly K8S_VERSION=v1.15.3