diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
index 5f636b1..b5d5515 100644
--- a/.github/workflows/test-action.yml
+++ b/.github/workflows/test-action.yml
@@ -42,6 +42,8 @@ jobs:
       uses: ./
       with:
         version: 'v3.5.1'
+        yamllint_version: '1.27.1'
+        yamale_version: '3.0.4'
     - name: Check install!
       run: |
         ct version
diff --git a/README.md b/README.md
index f6511c9..3e80515 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,8 @@ 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: `v3.7.0`)
+- `yamllint_version`: The chart-testing version to install (default: `1.27.1`)
+- `yamale_version`: The chart-testing version to install (default: `3.0.4`)
 
 ### Example Workflow
 
diff --git a/action.yml b/action.yml
index 4d16da7..b882cb2 100644
--- a/action.yml
+++ b/action.yml
@@ -9,8 +9,21 @@ inputs:
     description: "The chart-testing version to install (default: v3.7.0)"
     required: false
     default: v3.7.0
+  yamllint_version:
+    description: "The yamllint version to install (default: 1.27.1)"
+    required: false
+    default: '1.27.1'
+  yamale_version:
+    description:  "The yamale version to install (default: 3.0.4)"
+    required: false
+    default: '3.0.4'
 runs:
   using: composite
   steps:
-    - run: "$GITHUB_ACTION_PATH/ct.sh --version ${{ inputs.version }}"
+    - run: |
+        cd $GITHUB_ACTION_PATH \
+        && ./ct.sh \
+            --version ${{ inputs.version }} \
+            --yamllint-version ${{ inputs.yamllint_version }} \
+            --yamale-version ${{ inputs.yamale_version }}
       shell: bash
diff --git a/ct.sh b/ct.sh
index 36cf6e4..bd35db1 100755
--- a/ct.sh
+++ b/ct.sh
@@ -5,6 +5,8 @@ set -o nounset
 set -o pipefail
 
 DEFAULT_CHART_TESTING_VERSION=v3.7.0
+DEFAULT_YAMLLINT_VERSION=1.27.1
+DEFAULT_YAMALE_VERSION=3.0.4
 
 show_help() {
 cat << EOF
@@ -17,6 +19,8 @@ EOF
 
 main() {
     local version="$DEFAULT_CHART_TESTING_VERSION"
+    local yamllint_version="$DEFAULT_YAMLLINT_VERSION"
+    local yamale_version="$DEFAULT_YAMALE_VERSION"
 
     parse_command_line "$@"
 
@@ -40,6 +44,26 @@ parse_command_line() {
                     exit 1
                 fi
                 ;;
+            --yamllint-version)
+                if [[ -n "${2:-}" ]]; then
+                    yamllint_version="$2"
+                    shift
+                else
+                    echo "ERROR: '--yamllint-version' cannot be empty." >&2
+                    show_help
+                    exit 1
+                fi
+                ;;
+            --yamale-version)
+                if [[ -n "${2:-}" ]]; then
+                    yamale_version="$2"
+                    shift
+                else
+                    echo "ERROR: '--yamale-version' cannot be empty." >&2
+                    show_help
+                    exit 1
+                fi
+                ;;
             *)
                 break
                 ;;
@@ -76,10 +100,10 @@ install_chart_testing() {
         source "$venv_dir/bin/activate"
 
         echo 'Installing yamllint...'
-        pip3 install yamllint==1.27.1
+        pip3 install "yamllint==${yamllint_version}"
 
         echo 'Installing Yamale...'
-        pip3 install yamale==3.0.4
+        pip3 install "yamale==${yamale_version}"
     fi
 
     # https://github.com/helm/chart-testing-action/issues/62