diff --git a/comps-rocky-8.10.xml b/comps-rocky-8.10.xml
index 829bb634533f0241ade8617c64973f821bb88abf..23d67e97b58e921c88c90c4b30eaf6404c1060c8 100644
--- a/comps-rocky-8.10.xml
+++ b/comps-rocky-8.10.xml
@@ -8164,6 +8164,7 @@
       <packagereq type="default">gstreamer1-plugins-bad-free-devel</packagereq>
       <packagereq type="default">gtest</packagereq>
       <packagereq type="default">gtest-devel</packagereq>
+      <packagereq type="default">gtk-vnc2-devel</packagereq>
       <packagereq type="default">gtk3-devel-docs</packagereq>
       <packagereq type="default">gtk-doc</packagereq>
       <packagereq type="default">gtkmm24</packagereq>