diff --git a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/function/IntegrationFlowFunctionSupport.java b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/function/IntegrationFlowFunctionSupport.java
index 8f974ad8e..e51e96e44 100644
--- a/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/function/IntegrationFlowFunctionSupport.java
+++ b/spring-cloud-stream/src/main/java/org/springframework/cloud/stream/function/IntegrationFlowFunctionSupport.java
@@ -47,7 +47,7 @@ import org.springframework.util.StringUtils;
  *
  * @since 2.1
  */
-class IntegrationFlowFunctionSupport {
+public class IntegrationFlowFunctionSupport {
 
 	private final FunctionCatalogWrapper functionCatalog;