diff --git a/desktop/kde/framework/kcalendarcore/pspec.xml b/desktop/kde/framework/kcalendarcore/pspec.xml
index 4faaf2fcae..1736aa195f 100644
--- a/desktop/kde/framework/kcalendarcore/pspec.xml
+++ b/desktop/kde/framework/kcalendarcore/pspec.xml
@@ -15,6 +15,7 @@
         <Archive sha1sum="2ce64f3611a8adb37340ee63673efce2676337a8" type="tarxz">mirrors://kde/stable/frameworks/6.15/kcalendarcore-6.15.0.tar.xz</Archive>
         <BuildDependencies>
             <Dependency versionFrom="6.7.3">qt6-base-devel</Dependency>
+            <Dependency versionFrom="6.7.3">qt6-designer-devel</Dependency>
             <Dependency versionFrom="6.7.3">qt6-declarative-devel</Dependency>
             <Dependency versionFrom="2.0">libical-devel</Dependency>
             <Dependency versionFrom="6.15.0">extra-cmake-modules</Dependency>