diff --git a/programming/language/vala/pspec.xml b/programming/language/vala/pspec.xml
index 23e7b38885..cf2c33d8d2 100644
--- a/programming/language/vala/pspec.xml
+++ b/programming/language/vala/pspec.xml
@@ -14,6 +14,7 @@
Vala is a new programming language that aims to bring modern programming language features to GNOME developers without imposing any additional runtime requirements and without using a different ABI compared to applications and libraries written in C.
mirrors://gnome/vala/0.54/vala-0.54.2.tar.xz
+ help2man
glib2-devel
gobject-introspection-devel
libxslt-devel