diff --git a/multimedia/video/gst-plugins-good/pspec.xml b/multimedia/video/gst-plugins-good/pspec.xml
index 2109e0df4d..b4538a471c 100644
--- a/multimedia/video/gst-plugins-good/pspec.xml
+++ b/multimedia/video/gst-plugins-good/pspec.xml
@@ -18,6 +18,7 @@
qt5-wayland-devel
qt5-x11extras-devel
qt5-declarative-devel
+ meson
xz-devel
valgrind
orc-devel
diff --git a/multimedia/video/gst-plugins-ugly/pspec.xml b/multimedia/video/gst-plugins-ugly/pspec.xml
index 3c5c2bf28e..1ad6bb05d9 100644
--- a/multimedia/video/gst-plugins-ugly/pspec.xml
+++ b/multimedia/video/gst-plugins-ugly/pspec.xml
@@ -14,6 +14,7 @@
GStreamer Ugly Plug-ins is a set of plug-ins that have good quality and correct functionality, but distributing them might pose problems. The license on either the plugins or the supporting libraries might not be how we'd like. The code might be widely known to present patent problems.
https://gstreamer.freedesktop.org/src/gst-plugins-ugly/gst-plugins-ugly-1.17.2.tar.xz
+ meson
xz-devel
zlib-devel
valgrind