diff --git a/configure.ac b/configure.ac
index b469d42540..54a948badd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -204,7 +204,7 @@ AC_SUBST(GSTPB_PREFIX)
 
 dnl GTK is optional and used in examples
 HAVE_GTK=NO
-PKG_CHECK_MODULES(GTK, gtk+-x11-2.0 >= 2.8.0, HAVE_GTK=yes, HAVE_GTK=no)
+PKG_CHECK_MODULES(GTK, gtk+-x11-2.0 >= 2.12.0, HAVE_GTK=yes, HAVE_GTK=no)
 AM_CONDITIONAL(HAVE_GTK, test "x$HAVE_GTK" = "xyes")
 
 dnl x11 is optional for librfb