diff --git a/dev-python/pycapnp/pycapnp-0.5.12-r1.ebuild b/dev-python/pycapnp/pycapnp-0.5.12-r1.ebuild
index 303433b71a786..17dcbdd057846 100644
--- a/dev-python/pycapnp/pycapnp-0.5.12-r1.ebuild
+++ b/dev-python/pycapnp/pycapnp-0.5.12-r1.ebuild
@@ -16,7 +16,7 @@ SLOT="0"
 KEYWORDS="~amd64 ~arm"
 IUSE=""
 
-RDEPEND="dev-libs/capnproto:="
+RDEPEND=">=dev-libs/capnproto-0.6:="
 DEPEND="${RDEPEND}
 	dev-python/cython[${PYTHON_USEDEP}]
 "