diff --git a/spring-integration-samples/README.txt b/spring-integration-samples/README.txt
index 8000992586..7e4036d6ff 100644
--- a/spring-integration-samples/README.txt
+++ b/spring-integration-samples/README.txt
@@ -1,4 +1,5 @@
 Instructions for building the samples using Maven (http://maven.apache.org)
+NOTE: this requires Maven 2.0.9 or later
 -------------------------------------------------------------------------------
 
 1. Open a command prompt and navigate to the 'samples' directory within the