diff --git a/requirements.txt b/requirements.txt
index f4ba77bf..f55927e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@
 Babel>=1.3
 dogpile.cache>=0.5.4
 six>=1.9.0
-oslo.config>=1.11.0 # Apache-2.0
+oslo.config>=2.1.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.8.0 # Apache-2.0
 oslo.utils>=1.9.0 # Apache-2.0