diff --git a/requirements.txt b/requirements.txt
index d73bf06567..4a5d70d3b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,7 @@ six>=1.7.0
 Babel>=1.3
 cliff>=1.7.0  # Apache-2.0
 cliff-tablib>=1.0
+oslo.config>=1.6.0  # Apache-2.0
 oslo.i18n>=1.0.0  # Apache-2.0
 oslo.utils>=1.2.0                       # Apache-2.0
 oslo.serialization>=1.2.0               # Apache-2.0