diff --git a/sysdep/qt.mk b/sysdep/qt.mk
index e6b263ca9d65476f0f447ad82b215f53b70b7bc8..4858ecf5723bd81257b03c9d90ae3f65b6089a08 100644
--- a/sysdep/qt.mk
+++ b/sysdep/qt.mk
@@ -30,7 +30,7 @@ ifeq (+,$(QT_DEPEND_MK)) # ---------------------------------------------
 
 PREFER.qt?=		system
 DEPEND_USE+=		qt
-DEPEND_ABI.qt?=		qt>=3.0
+DEPEND_ABI.qt?=		qt>=4.0
 
 SYSTEM_SEARCH.qt=	\
 	include/QtGui/QApplication \