diff --git a/dev-python/oauth2client/oauth2client-4.1.3-r1.ebuild b/dev-python/oauth2client/oauth2client-4.1.3-r1.ebuild
index 31c14911dce7e..04d4bdfa13b70 100644
--- a/dev-python/oauth2client/oauth2client-4.1.3-r1.ebuild
+++ b/dev-python/oauth2client/oauth2client-4.1.3-r1.ebuild
@@ -30,6 +30,7 @@ RDEPEND="
 BDEPEND="${RDEPEND}
 	dev-python/setuptools[${PYTHON_USEDEP}]
 	test? ( ${RDEPEND}
+		dev-python/flask[${PYTHON_USEDEP}]
 		dev-python/sqlalchemy[${PYTHON_USEDEP}]
 	)
 "