diff --git a/spring-cloud-function-adapters/spring-cloud-function-serverless-web/src/main/java/org/springframework/cloud/function/serverless/web/ServerlessAutoConfiguration.java b/spring-cloud-function-adapters/spring-cloud-function-serverless-web/src/main/java/org/springframework/cloud/function/serverless/web/ServerlessAutoConfiguration.java
index 261b49e38..65e78a756 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-serverless-web/src/main/java/org/springframework/cloud/function/serverless/web/ServerlessAutoConfiguration.java
+++ b/spring-cloud-function-adapters/spring-cloud-function-serverless-web/src/main/java/org/springframework/cloud/function/serverless/web/ServerlessAutoConfiguration.java
@@ -51,7 +51,7 @@ public class ServerlessAutoConfiguration {
 		return new ServerlessServletWebServerFactory();
 	}
 
-	private static class ServerlessServletWebServerFactory
+	public static class ServerlessServletWebServerFactory
 			implements ServletWebServerFactory, ApplicationContextAware, InitializingBean {
 
 		private ConfigurableWebServerApplicationContext applicationContext;