diff --git a/requirements.txt b/requirements.txt
index 07e30c52..4a772874 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,6 @@ Babel!=2.4.0,>=2.3.4 # BSD
 openstacksdk>=0.11.2 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
-python-barbicanclient!=4.5.0,!=4.5.1,>=4.0.0 # Apache-2.0
+python-barbicanclient>=4.5.2 # Apache-2.0
 python-keystoneclient>=3.8.0 # Apache-2.0
 six>=1.10.0 # MIT