diff --git a/dev-util/gtk_doc/gtk_doc-1.26.recipe b/dev-util/gtk_doc/gtk_doc-1.26.recipe
index 001a0411f..b73426f61 100644
--- a/dev-util/gtk_doc/gtk_doc-1.26.recipe
+++ b/dev-util/gtk_doc/gtk_doc-1.26.recipe
@@ -6,7 +6,7 @@ be used to document application code."
 HOMEPAGE="http://www.gtk.org/gtk-doc/"
 COPYRIGHT="2002-2010 Damon Chaplin and Owen Taylor"
 LICENSE="GNU GPL v2"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://download.gnome.org/sources/gtk-doc/$portVersion/gtk-doc-$portVersion.tar.xz"
 CHECKSUM_SHA256="bff3f44467b1d39775e94fad545f050faa7e8d68dc6a31aef5024ba3c2d7f2b7"
 SOURCE_DIR="gtk-doc-$portVersion"
@@ -33,6 +33,7 @@ REQUIRES="
 	haiku
 	cmd:perl
 	cmd:python2
+	six_python
 	"
 
 BUILD_REQUIRES="