diff --git a/README.md b/README.md
index 44b88c783..f3e9a9665 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,8 @@ to compile anywhere, and this is as good a way as any to try and learn it.
 Build Instructions
 ------------------
 
+NOTE: This currently requires the most current nightly build.
+
 To simply build all available utilities:
 ```
 make