diff --git a/games-board/gnuchess/gnuchess-6.2.9-r1.ebuild b/games-board/gnuchess/gnuchess-6.2.9-r1.ebuild
index 687cbf046776f..a444983f20b08 100644
--- a/games-board/gnuchess/gnuchess-6.2.9-r1.ebuild
+++ b/games-board/gnuchess/gnuchess-6.2.9-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -13,6 +13,8 @@ LICENSE="GPL-3"
 SLOT="0"
 KEYWORDS="amd64 ~arm arm64 ~loong ppc64 ~riscv x86"
 
+BDEPEND="sys-apps/help2man"
+
 PATCHES=(
 	"${FILESDIR}"/${PN}-6.2.9-c++17.patch
 	"${FILESDIR}"/${PN}-6.2.9-configure-quoting.patch