diff --git a/srcpkgs/kdiff3/template b/srcpkgs/kdiff3/template
index c060775f19a..ed9e141c864 100644
--- a/srcpkgs/kdiff3/template
+++ b/srcpkgs/kdiff3/template
@@ -5,7 +5,7 @@ revision=1
 build_style=cmake
 hostmakedepends="extra-cmake-modules gettext kcoreaddons kdoctools
  qt5-host-tools qt5-qmake"
-makedepends="kparts-devel qt5-devel"
+makedepends="kparts-devel qt5-devel boost-devel"
 short_desc="File comparator/merge tool"
 maintainer="Ben Sung Hsu <pobetiger+kdiff3@gmail.com>"
 license="GPL-2.0-or-later"