diff --git a/BUILDING.md b/BUILDING.md
index 5359268f..e16e78ab 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -1,6 +1,6 @@
 Requirements
 ------------
-- [Qt 5.4](http://www.qt.io/)
+- [Qt 5.4 or later](http://www.qt.io/)
 - [Python 3](https://www.python.org/)
 - [Boost.Python](http://www.boost.org/doc/libs/1_57_0/libs/python/doc/index.html) (linked against Python 3)
 - [`libpng`](http://www.libpng.org/pub/png/libpng.html)