diff --git a/network/analyzer/openslp/pspec.xml b/network/analyzer/openslp/pspec.xml
index 6e73a20cfd..108afe2022 100644
--- a/network/analyzer/openslp/pspec.xml
+++ b/network/analyzer/openslp/pspec.xml
@@ -18,14 +18,15 @@
             <Dependency>zlib-devel</Dependency>
             <Dependency>openssl-devel</Dependency>
             <Dependency>doxygen</Dependency>
-        </BuildDependencies>            
+            <Dependency>docbook-xsl</Dependency>
+        </BuildDependencies>
     </Source>
 
     <Package>
         <Name>openslp</Name>
         <RuntimeDependencies>
             <Dependency>openssl</Dependency>
-        </RuntimeDependencies>   
+        </RuntimeDependencies>
         <Files>
             <Path fileType="config">/etc/slp.conf</Path>
             <Path fileType="executable">/usr/bin</Path>