diff --git a/srcpkgs/webkit-gtk3/template b/srcpkgs/webkit-gtk3/template
index 6dca277ee0..f9b2fe8ba9 100644
--- a/srcpkgs/webkit-gtk3/template
+++ b/srcpkgs/webkit-gtk3/template
@@ -52,9 +52,10 @@ Add_dependency run libsoup
 
 Add_dependency build pkg-config
 Add_dependency build intltool
+Add_dependency build which
 Add_dependency build perl	">=0"
 Add_dependency build gperf
-Add_dependency build bison
+Add_dependency build flex
 Add_dependency build gobject-introspection
 Add_dependency build enchant-devel
 Add_dependency build gtk+3-devel