diff --git a/dev-libs/libevocosm/libevocosm-3.3.1-r1.ebuild b/dev-libs/libevocosm/libevocosm-3.3.1-r1.ebuild
index 3152a60d260b9..877fc757d405d 100644
--- a/dev-libs/libevocosm/libevocosm-3.3.1-r1.ebuild
+++ b/dev-libs/libevocosm/libevocosm-3.3.1-r1.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2013 Gentoo Foundation
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
 
-inherit eutils
+inherit eutils ltprune
 
 DESCRIPTION="A C++ framework for evolutionary computing"
 HOMEPAGE="http://www.coyotegulch.com/products/libevocosm/"