diff --git a/requirements.txt b/requirements.txt
index dffbaef9..d6f0c266 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ pbr!=2.1.0,>=2.0.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
 cryptography!=2.0,>=1.9 # BSD/Apache-2.0
 python-barbicanclient!=4.5.0,!=4.5.1,>=4.0.0 # Apache-2.0
-oslo.config>=4.6.0 # Apache-2.0
+oslo.config>=5.1.0 # Apache-2.0
 oslo.context>=2.19.2 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0