diff --git a/programming/misc/libnotify/pspec.xml b/programming/misc/libnotify/pspec.xml
index 710bc1e241..79f88e0c5e 100644
--- a/programming/misc/libnotify/pspec.xml
+++ b/programming/misc/libnotify/pspec.xml
@@ -19,6 +19,7 @@
             <Dependency>meson</Dependency>
             <Dependency>gtk-doc</Dependency>
             <Dependency>gtk3-devel</Dependency>
+            <Dependency>gtk4-devel</Dependency>
             <Dependency>gnome-common</Dependency>
             <Dependency>libXtst-devel</Dependency>
             <Dependency>python-pyatspi</Dependency>