diff --git a/kio-extras5.spec b/kio-extras5.spec
index afe2391..8b4262f 100644
--- a/kio-extras5.spec
+++ b/kio-extras5.spec
@@ -46,6 +46,7 @@ BuildRequires:  libssh-devel
 BuildRequires:  openslp-devel
 BuildRequires:  phonon4qt5-devel
 BuildRequires:  solid-devel
+BuildRequires:  kactivities-devel
 BuildRequires:  xz
 BuildRequires:  pkgconfig(Qt5DBus) >= 5.4.0
 BuildRequires:  pkgconfig(Qt5Network) >= 5.4.0