diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
new file mode 100644
index 0000000..7d6fdf9
--- /dev/null
+++ b/.github/workflows/test-action.yml
@@ -0,0 +1,44 @@
+name: test-chart-testing-action
+
+on: [pull_request]
+
+jobs:
+  test_ct_action:
+    runs-on: ubuntu-latest
+
+    name: Install chart-testing and test presence in path
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install chart-testing
+      uses: ./
+    - name: Check install!
+      run: ct version
+    - name: Check root directory
+      run: |
+        if [[ $(git diff --stat) != '' ]]; then
+          echo 'should be clean'
+          exit 1
+        else
+          exit 0
+        fi
+
+  test_ct_action_custom:
+    runs-on: ubuntu-latest
+
+    name: Install Custom chart-testing and test presence in path
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install chart-testing
+      uses: ./
+      with:
+        version: 'v3.4.0'
+    - name: Check install!
+      run: ct version
+    - name: Check root directory
+      run: |
+        if [[ $(git diff --stat) != '' ]]; then
+          echo 'should be clean'
+          exit 1
+        else
+          exit 0
+        fi
diff --git a/README.md b/README.md
index dadb65d..6b81dd5 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ A GitHub Action for installing the [helm/chart-testing](https://github.com/helm/
 ### Pre-requisites
 
 1. A GitHub repo containing a directory with your Helm charts (e.g: `charts`)
-1. A workflow YAML file in your `.github/workflows` directory. 
+1. A workflow YAML file in your `.github/workflows` directory.
   An [example workflow](#example-workflow) is available below.
   For more information, reference the GitHub Help Documentation for [Creating a workflow file](https://help.github.com/en/articles/configuring-a-workflow#creating-a-workflow-file)
 
@@ -15,7 +15,7 @@ A GitHub Action for installing the [helm/chart-testing](https://github.com/helm/
 
 For more information on inputs, see the [API Documentation](https://developer.github.com/v3/repos/releases/#input)
 
-- `version`: The chart-testing version to install (default: `v3.4.0`)
+- `version`: The chart-testing version to install (default: `v3.5.0`)
 
 ### Example Workflow
 
@@ -42,14 +42,14 @@ jobs:
       - name: Set up Helm
         uses: azure/setup-helm@v1
         with:
-          version: v3.4.0
+          version: v3.7.2
 
       - uses: actions/setup-python@v2
         with:
           python-version: 3.7
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.1.0
+        uses: helm/chart-testing-action@v2.2.0
 
       - name: Run chart-testing (list-changed)
         id: list-changed
diff --git a/action.yml b/action.yml
index 1eeb5c4..a1a9a8b 100644
--- a/action.yml
+++ b/action.yml
@@ -6,8 +6,8 @@ branding:
   icon: anchor
 inputs:
   version:
-    description: "The chart-testing version to install (default: v3.4.0)"
-    default: v3.4.0
+    description: "The chart-testing version to install (default: v3.5.0)"
+    default: v3.5.0
 runs:
   using: composite
   steps:
diff --git a/ct.sh b/ct.sh
index 9befd3a..6b400c2 100755
--- a/ct.sh
+++ b/ct.sh
@@ -4,7 +4,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-DEFAULT_CHART_TESTING_VERSION=v3.4.0
+DEFAULT_CHART_TESTING_VERSION=v3.5.0
 
 show_help() {
 cat << EOF