diff --git a/programming/library/libpanel/pspec.xml b/programming/library/libpanel/pspec.xml
index 660b266409..e0a2b6f7e2 100644
--- a/programming/library/libpanel/pspec.xml
+++ b/programming/library/libpanel/pspec.xml
@@ -17,6 +17,7 @@
         <BuildDependencies>
             <Dependency>meson</Dependency>
             <Dependency>gtk-doc</Dependency>
+            <Dependency>gi-docgen</Dependency>
             <Dependency>gtk4-devel</Dependency>
             <Dependency>vala-devel</Dependency>
             <Dependency>cairo-devel</Dependency>