diff --git a/kate.spec b/kate.spec
index 80b9849..05431a3 100644
--- a/kate.spec
+++ b/kate.spec
@@ -37,6 +37,7 @@ BuildRequires:  kdoctools-devel
 BuildRequires:  kguiaddons-devel
 BuildRequires:  ki18n-devel
 BuildRequires:  kiconthemes-devel
+BuildRequires:  kactivities-devel
 BuildRequires:  kinit-devel
 BuildRequires:  kio-devel
 BuildRequires:  kitemmodels-devel