diff --git a/desktop/gnome/base/yelp-tools/pspec.xml b/desktop/gnome/base/yelp-tools/pspec.xml
index 3676957e4f..3c24c6a33e 100755
--- a/desktop/gnome/base/yelp-tools/pspec.xml
+++ b/desktop/gnome/base/yelp-tools/pspec.xml
@@ -27,6 +27,7 @@
         <Name>yelp-tools</Name>
         <RuntimeDependencies>
             <Dependency>yelp-xsl</Dependency>
+            <Dependency>python3-lxml</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="doc">/usr/share/doc</Path>