diff --git a/multimedia/video/gst-libav/pspec.xml b/multimedia/video/gst-libav/pspec.xml
index 83b473d51e..214cb56d1d 100644
--- a/multimedia/video/gst-libav/pspec.xml
+++ b/multimedia/video/gst-libav/pspec.xml
@@ -14,6 +14,7 @@
Gstreamer plugin for the libav codec.
https://gstreamer.freedesktop.org/src/gst-libav/gst-libav-1.17.2.tar.xz
+ meson
python3
valgrind
orc-devel