diff --git a/qrenderdoc/qrenderdoc.pro b/qrenderdoc/qrenderdoc.pro
index cf7e4cf95..8e07002fa 100644
--- a/qrenderdoc/qrenderdoc.pro
+++ b/qrenderdoc/qrenderdoc.pro
@@ -8,6 +8,8 @@ QT       += core gui widgets
 
 lessThan(QT_MAJOR_VERSION, 5): error("requires Qt 5")
 
+equals(QT_MAJOR_VERSION, 5): lessThan(QT_MINOR_VERSION, 6): error("requires Qt 5.6")
+
 TARGET = qrenderdoc
 TEMPLATE = app