diff --git a/requirements.txt b/requirements.txt
index 7220b169be4..ad2d0f486dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ Paste # MIT
 PasteDeploy>=1.5.0 # MIT
 psutil>=3.2.2 # BSD
 pyparsing>=2.1.0 # MIT
-python-barbicanclient>=4.0.0 # Apache-2.0
+python-barbicanclient!=4.5.0,>=4.0.0 # Apache-2.0
 python-glanceclient>=2.7.0 # Apache-2.0
 python-keystoneclient>=3.8.0 # Apache-2.0
 python-novaclient>=9.0.0 # Apache-2.0
@@ -56,7 +56,7 @@ suds-jurko>=0.6 # LGPLv3+
 WebOb>=1.7.1 # MIT
 oslo.i18n!=3.15.2,>=2.1.0 # Apache-2.0
 oslo.vmware>=2.17.0 # Apache-2.0
-os-brick>=1.15.1 # Apache-2.0
+os-brick>=1.15.2 # Apache-2.0
 os-win>=2.0.0 # Apache-2.0
 tooz>=1.47.0 # Apache-2.0
 google-api-python-client>=1.4.2 # Apache-2.0