diff --git a/action.yml b/action.yml
index 11c57db..be236ed 100644
--- a/action.yml
+++ b/action.yml
@@ -1,4 +1,4 @@
-name: PHPUnit (php-actions)
+name: PHPUnit blackwolf12333
 description: Run your PHPUnit tests in your Github Actions.
 
 inputs:
@@ -16,6 +16,10 @@ inputs:
     description: Space separated list of extensions to configure with the PHP build
     required: false
 
+  vendored_phpunit_path:
+    description: Path to a vendored phpunit binary
+    required: false
+
   configuration:
     description: Configuration file location
     required: false
@@ -85,6 +89,7 @@ runs:
         ACTION_VERSION: ${{ inputs.version }}
         ACTION_PHP_VERSION: ${{ inputs.php_version }}
         ACTION_PHP_EXTENSIONS: ${{ inputs.php_extensions }}
+        ACTION_PHPUNIT_PATH: ${{ inputs.vendored_phpunit_path }}
         ACTION_CONFIGURATION: ${{ inputs.configuration }}
         ACTION_LOG_JUNIT: ${{ inputs.log_junit }}
         ACTION_TESTDOX_HTML: ${{ inputs.testdox_html }}
diff --git a/phpunit-action.bash b/phpunit-action.bash
index cdc9fb8..9849d6f 100755
--- a/phpunit-action.bash
+++ b/phpunit-action.bash
@@ -4,14 +4,23 @@ github_action_path=$(dirname "$0")
 docker_tag=$(cat ./docker_tag)
 echo "Docker tag: $docker_tag" >> output.log 2>&1
 
-phar_url="https://phar.phpunit.de/phpunit"
-if [ "$ACTION_VERSION" != "latest" ]
+if [ -n "$ACTION_PHPUNIT_PATH" ]
 then
-	phar_url="${phar_url}-${ACTION_VERSION}"
+	echo "Using phar" >> output.log 2>&1
+	phar_url="https://phar.phpunit.de/phpunit"
+	if [ "$ACTION_VERSION" != "latest" ]
+	then
+		phar_url="${phar_url}-${ACTION_VERSION}"
+	fi
+	phar_url="${phar_url}.phar"
+	curl --silent -H "User-agent: cURL (https://github.com/php-actions)" -L "$phar_url" > "${github_action_path}/phpunit.phar"
+	chmod +x "${github_action_path}/phpunit.phar"
+
+	phar_path="${github_action_path}/phpunit.phar"
+else
+	phar_path="${GITHUB_WORKSPACE}/$ACTION_PHPUNIT_PATH"
+	echo "Using vendored phpunit: $phar_path" >> output.log 2>&1
 fi
-phar_url="${phar_url}.phar"
-curl --silent -H "User-agent: cURL (https://github.com/php-actions)" -L "$phar_url" > "${github_action_path}/phpunit.phar"
-chmod +x "${github_action_path}/phpunit.phar"
 
 command_string=("phpunit")
 
@@ -85,9 +94,10 @@ then
 	command_string+=($ACTION_ARGS)
 fi
 
+
 echo "Command: " "${command_string[@]}" >> output.log 2>&1
 docker run --rm \
-	--volume "${github_action_path}/phpunit.phar":/usr/local/bin/phpunit \
+	--volume "${phar_path}":/usr/local/bin/phpunit \
 	--volume "${GITHUB_WORKSPACE}":/app \
 	--workdir /app \
 	--network host \