diff --git a/desktop/xfce/base/xfce4-panel/pspec.xml b/desktop/xfce/base/xfce4-panel/pspec.xml
index 3b5135c805..0be9fa4f7f 100644
--- a/desktop/xfce/base/xfce4-panel/pspec.xml
+++ b/desktop/xfce/base/xfce4-panel/pspec.xml
@@ -31,6 +31,7 @@
             <Dependency>desktop-file-utils</Dependency>
             <Dependency versionFrom="2.4.0">libxml2-devel</Dependency>
             <Dependency>libxslt-devel</Dependency>
+            <Dependency>gtk-doc</Dependency>
         </BuildDependencies>
         <Patches>
             <!--<Patch>time.patch</Patch>-->