diff --git a/requirements.txt b/requirements.txt
index dcb664daa9..5801639c8b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ sqlalchemy-migrate>=0.11.0 # Apache-2.0
 sqlparse>=0.2.2 # BSD
 alembic>=0.8.10 # MIT
 httplib2>=0.9.1 # MIT
-oslo.config>=5.1.0 # Apache-2.0
+oslo.config>=5.2.0 # Apache-2.0
 oslo.concurrency>=3.25.0 # Apache-2.0
 oslo.context>=2.19.2 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
@@ -51,7 +51,7 @@ glance-store>=0.22.0 # Apache-2.0
 
 
 debtcollector>=1.2.0 # Apache-2.0
-cryptography!=2.0,>=1.9 # BSD/Apache-2.0
+cryptography>=2.1 # BSD/Apache-2.0
 cursive>=0.2.1 # Apache-2.0
 
 # timeutils
diff --git a/test-requirements.txt b/test-requirements.txt
index 50e3bc9605..ed224289e0 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,7 +14,7 @@ coverage!=4.4,>=4.0 # Apache-2.0
 ddt>=1.0.1 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0.0 # BSD
-sphinx!=1.6.6,<1.7.0,>=1.6.2 # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
 requests>=2.14.2 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testresources>=2.0.0 # Apache-2.0/BSD