diff --git a/desktop/kde6/applications/calendarsupport-kf6/pspec.xml b/desktop/kde6/applications/calendarsupport-kf6/pspec.xml
index 6588d0e03e..6089750ae9 100755
--- a/desktop/kde6/applications/calendarsupport-kf6/pspec.xml
+++ b/desktop/kde6/applications/calendarsupport-kf6/pspec.xml
@@ -17,6 +17,7 @@
             <Dependency versionFrom="6.6.0">qt6-base-devel</Dependency>
             <Dependency versionFrom="24.02.0">akonadi-kf6-devel</Dependency>
             <Dependency versionFrom="24.02.0">kmime-kf6-devel</Dependency>
+            <Dependency>kio-kf6-devel</Dependency>
             <Dependency>ki18n-kf6-devel</Dependency>
             <Dependency>kcodecs-kf6-devel</Dependency>
             <Dependency>kcompletion-kf6-devel</Dependency>