diff --git a/requirements.txt b/requirements.txt
index 544874b48..c76f95bbf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,4 +37,4 @@ docker>=2.4.2 # Apache-2.0
 netaddr>=0.7.18 # BSD
 neutron-lib>=1.13.0 # Apache-2.0
 websockify>=0.8.0 # LGPLv3
-websocket-client<=0.40.0,>=0.33.0 # LGPLv2+
+websocket-client>=0.33.0 # LGPLv2+
diff --git a/test-requirements.txt b/test-requirements.txt
index 6572f62c4..ce2834b4f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,7 +9,7 @@ coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0.0 # BSD
 fixtures>=3.0.0 # Apache-2.0/BSD
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
-sphinx!=1.6.6,<1.7.0,>=1.6.2 # BSD
+sphinx!=1.6.6,>=1.6.2 # BSD
 openstackdocstheme>=1.18.1 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0