diff --git a/gtk-doc.spec b/gtk-doc.spec
index 42f292d9927788f2a6a92905b1ed7e605da6555c..ca47820355f6d3d4a01db10df88c04caaec40006 100644
--- a/gtk-doc.spec
+++ b/gtk-doc.spec
@@ -11,10 +11,14 @@ License:        GPLv2+ and GFDL
 URL:            https://www.gtk.org/gtk-doc/
 Source0:        https://download.gnome.org/sources/gtk-doc/1.32/%{name}-%{version}.tar.xz
 
-BuildRequires:  python3-six python3-devel docbook-utils libxslt gettext source-highlight
+BuildRequires:  python3-six python3-devel docbook-utils libxslt gettext
 BuildRequires:  itstool yelp-tools docbook-style-xsl gcc gdb
-Requires:       python3-six source-highlight docbook-style-xsl libxslt docbook-utils
-
+BuildRequires:  python3-pygments
+BuildRequires:  python3-parameterized
+BuildRequires:  python3-anytree
+BuildRequires:  python3-lxml
+Requires:       docbook-style-xsl docbook-utils libxslt
+Requires:       python3-pygments python3-parameterized python3-anytree python3-lxml
 
 %description
 GTK-Doc is a project which was started to generate API documentation from comments added to C code.