diff --git a/README.md b/README.md
index 71510e8e21711c94914ceff12d390781ceabab77..b3272aa841ab9389e9c3ace27d8d0a018e61e31a 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,9 @@ Getting Started
 Building from source
 --------------------
 
+YCSB requires the use of Maven 3; if you use Maven 2, you may see [errors
+such as these](https://github.com/brianfrankcooper/YCSB/issues/406).
+
 To build the full distribution, with all database bindings:
 
     mvn clean package