diff --git a/dev-util/boost-build/boost-build-1.79.0.ebuild b/dev-util/boost-build/boost-build-1.79.0-r1.ebuild
similarity index 98%
rename from dev-util/boost-build/boost-build-1.79.0.ebuild
rename to dev-util/boost-build/boost-build-1.79.0-r1.ebuild
index f17231c6f8948..74cea514f5854 100644
--- a/dev-util/boost-build/boost-build-1.79.0.ebuild
+++ b/dev-util/boost-build/boost-build-1.79.0-r1.ebuild
@@ -18,6 +18,8 @@ KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv
 IUSE="examples"
 RESTRICT="test"
 
+RDEPEND="!dev-util/b2"
+
 PATCHES=(
 	"${FILESDIR}"/${PN}-1.71.0-disable_python_rpath.patch
 	"${FILESDIR}"/${PN}-1.78.0-darwin-gentoo-toolchain.patch