diff --git a/requirements.txt b/requirements.txt
index c88fc17..2c36034 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,5 +13,5 @@ oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.18.0 # Apache-2.0
 python-heatclient>=1.6.1 # Apache-2.0
 PyYAML>=3.10.0 # MIT
-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
diff --git a/test-requirements.txt b/test-requirements.txt
index 797b300..aa45e6d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,7 +10,7 @@ requests-mock>=1.1 # Apache-2.0
 mock>=2.0 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
-sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
+sphinx>=1.5.1 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT