diff --git a/requirements.txt b/requirements.txt
index 3552c001..2931da24 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ WebOb>=1.6.0 # MIT
 python-ironicclient>=1.11.0 # Apache-2.0
 python-neutronclient>=5.1.0 # Apache-2.0
 python-glanceclient>=2.5.0 # Apache-2.0
-oslo.cache>=1.5.0  # Apache-2.0
+oslo.cache>=1.5.0 # Apache-2.0
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config>=3.22.0 # Apache-2.0
 oslo.context>=2.12.0 # Apache-2.0