diff --git a/requirements.txt b/requirements.txt
index 4acf4b64..c6066620 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,13 +7,13 @@ SQLAlchemy!=1.1.5,!=1.1.6,!=1.1.7,!=1.1.8,>=1.0.10 # MIT
 alembic>=0.8.10 # MIT
 eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
 WebOb>=1.7.1 # MIT
-cryptography!=2.0,>=1.9 # BSD/Apache-2.0
-python-ironicclient>=2.2.0 # Apache-2.0
+cryptography>=2.1 # BSD/Apache-2.0
+python-ironicclient>=2.3.0 # Apache-2.0
 python-neutronclient>=6.7.0 # Apache-2.0
 python-glanceclient>=2.8.0 # Apache-2.0
 oslo.cache>=1.26.0 # Apache-2.0
-oslo.concurrency>=3.25.0 # Apache-2.0
-oslo.config>=5.1.0 # Apache-2.0
+oslo.concurrency>=3.26.0 # Apache-2.0
+oslo.config>=5.2.0 # Apache-2.0
 oslo.context>=2.19.2 # Apache-2.0
 oslo.db>=4.27.0 # Apache-2.0
 oslo.rootwrap>=5.8.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 899f23d9..702d6bce 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,7 +8,7 @@ coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0.0 # BSD
 python-subunit>=1.0.0 # Apache-2.0/BSD
-sphinx!=1.6.6,<1.7.0,>=1.6.2 # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
 ddt>=1.0.1 # MIT
 openstackdocstheme>=1.18.1 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0