diff --git a/doc/requirements.txt b/doc/requirements.txt
index b61dbd15..3ebba9cc 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -6,7 +6,7 @@
 doc8>=0.6.0 # Apache-2.0
 openstackdocstheme>=1.18.1 # Apache-2.0
 reno>=2.5.0 # Apache-2.0
-sphinx!=1.6.6,>=1.6.2 # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
 
 # For autodoc builds
 mock>=2.0.0 # BSD
diff --git a/requirements.txt b/requirements.txt
index 14f8e5d3..b392bb78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 
 keystoneauth1>=3.4.0 # Apache-2.0
 oslo.cache>=1.26.0 # Apache-2.0
-oslo.config>=5.1.0 # Apache-2.0
+oslo.config>=5.2.0 # Apache-2.0
 oslo.context>=2.19.2 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index e17dfc5d..40493044 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@ hacking<0.11,>=0.10.0
 flake8-docstrings==0.2.1.post1 # MIT
 
 coverage!=4.4,>=4.0 # Apache-2.0
-cryptography!=2.0,>=1.9 # BSD/Apache-2.0
+cryptography>=2.1 # BSD/Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0.0 # BSD
 oslotest>=3.2.0 # Apache-2.0