diff --git a/requirements.txt b/requirements.txt
index 64b7c89b..ce982547 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 pbr>=1.8 # Apache-2.0
-requests!=2.12.2,>=2.10.0 # Apache-2.0
+requests!=2.12.2,!=2.13.0,>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT
 cliff>=2.3.0 # Apache-2.0
 keystoneauth1>=2.18.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 748d3ae5..80006441 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,5 +14,5 @@ oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 python-openstackclient>=3.3.0 # Apache-2.0
 
 # Documentation build requirements
-sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
+sphinx>=1.5.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0