diff --git a/akonadi-contact.spec b/akonadi-contact.spec
index 9ec3a81..d58a41c 100644
--- a/akonadi-contact.spec
+++ b/akonadi-contact.spec
@@ -95,8 +95,9 @@ as part of the KDE Personal Information Management (PIM) software.
 Summary:        KDE PIM Libraries: Build Environment
 Group:          Development/Libraries/KDE
 Requires:       akonadi-server-devel
+Requires:       kcalcore-devel
+Requires:       kcontacts-devel
 Requires:       libKF5AkonadiContact5 = %{version}
-Requires:       kcontacts5-devel
 
 %description devel
 This package contains all necessary include files and libraries needed