diff --git a/dev-libs/keystone/keystone-0.9.2-r1.ebuild b/dev-libs/keystone/keystone-0.9.2-r1.ebuild
index f54ae624af81e..68f71673a12ff 100644
--- a/dev-libs/keystone/keystone-0.9.2-r1.ebuild
+++ b/dev-libs/keystone/keystone-0.9.2-r1.ebuild
@@ -36,6 +36,7 @@ RDEPEND="
 	python? ( ${PYTHON_DEPS} )
 "
 DEPEND="${RDEPEND}"
+BDEPEND="${PYTHON_DEPS}"
 
 RESTRICT=test # only regression tests
 
diff --git a/dev-libs/keystone/keystone-9999.ebuild b/dev-libs/keystone/keystone-9999.ebuild
index f54ae624af81e..68f71673a12ff 100644
--- a/dev-libs/keystone/keystone-9999.ebuild
+++ b/dev-libs/keystone/keystone-9999.ebuild
@@ -36,6 +36,7 @@ RDEPEND="
 	python? ( ${PYTHON_DEPS} )
 "
 DEPEND="${RDEPEND}"
+BDEPEND="${PYTHON_DEPS}"
 
 RESTRICT=test # only regression tests