diff --git a/requirements.txt b/requirements.txt
index 09cd94dc4..2b196a976 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,11 +7,11 @@ eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
 requests>=2.14.2 # Apache-2.0
 netaddr>=0.7.18 # BSD
 neutron-lib>=1.13.0 # Apache-2.0
-neutron>=12.0.0  # Apache-2.0
+neutron>=12.0.0 # Apache-2.0
 SQLAlchemy!=1.1.5,!=1.1.6,!=1.1.7,!=1.1.8,>=1.0.10 # MIT
 alembic>=0.8.10 # MIT
 six>=1.10.0 # MIT
-oslo.config>=5.1.0 # Apache-2.0
+oslo.config>=5.2.0 # Apache-2.0
 oslo.db>=4.27.0 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
 oslo.messaging>=5.29.0 # Apache-2.0
@@ -19,10 +19,10 @@ oslo.reports>=1.18.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 oslo.service!=1.28.1,>=1.24.0 # Apache-2.0
 oslo.utils>=3.33.0 # 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
 pyasn1!=0.2.3,>=0.1.8 # BSD
 pyasn1-modules>=0.0.6 # BSD
 pyOpenSSL>=17.1.0 # Apache-2.0
 stevedore>=1.20.0 # Apache-2.0
-cryptography!=2.0,>=1.9 # BSD/Apache-2.0
+cryptography>=2.1 # BSD/Apache-2.0
 keystoneauth1>=3.4.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 9e2240baa..b6c023d54 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,7 +8,7 @@ fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0.0 # BSD
 flake8-import-order==0.12 # LGPLv3
 requests-mock>=1.1.0 # Apache-2.0
-sphinx!=1.6.6,>=1.6.2 # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 openstackdocstheme>=1.18.1 # Apache-2.0
 oslo.concurrency>=3.25.0 # Apache-2.0