diff --git a/desktop/kde/application/kde-thumbnailer-epub/pspec.xml b/desktop/kde/application/kde-thumbnailer-epub/pspec.xml
index 9b8f4c89d9..bd6249ff5b 100644
--- a/desktop/kde/application/kde-thumbnailer-epub/pspec.xml
+++ b/desktop/kde/application/kde-thumbnailer-epub/pspec.xml
@@ -17,6 +17,7 @@
             <Dependency>qt5-base-devel</Dependency>
              <Dependency>karchive-devel</Dependency>
               <Dependency>kio-devel</Dependency>
+              <Dependency>extra-cmake-modules</Dependency>
         </BuildDependencies>
     </Source>