diff --git a/desktop/kde/applications/akonadi-calendar/pspec.xml b/desktop/kde/applications/akonadi-calendar/pspec.xml
index 0a33f7ee71..3d88ccd495 100755
--- a/desktop/kde/applications/akonadi-calendar/pspec.xml
+++ b/desktop/kde/applications/akonadi-calendar/pspec.xml
@@ -39,6 +39,7 @@
             <Dependency>prison-devel</Dependency>
             <Dependency>grantleetheme-devel</Dependency>
             <Dependency>grantlee-qt5-devel</Dependency>
+            <Dependency>knotifications-devel</Dependency>
         </BuildDependencies>
         <Patches>
             <!--Patch>qt5.patch</Patch-->
@@ -72,6 +73,7 @@
             <Dependency>akonadi-mime</Dependency>
             <Dependency>akonadi-contacts</Dependency>
             <Dependency>prison</Dependency>
+            <Dependency>knotifications</Dependency>
             <Dependency>grantleetheme</Dependency>
             <Dependency>grantlee-qt5</Dependency>
         </RuntimeDependencies>