diff --git a/requirements.txt b/requirements.txt
index 0070b8d..1948b03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 six>=1.9.0 # MIT
 wrapt>=1.7.0 # BSD License
-funcsigs>=0.4;python_version=='2.7' or python_version=='2.6' # Apache-2.0
+funcsigs>=1.0.0;python_version=='2.7' or python_version=='2.6' # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index a8a3e54..467b9e1 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,9 +7,9 @@ hacking<0.11,>=0.10.0
 coverage!=4.4,>=4.0 # Apache-2.0
 python-subunit>=0.0.18 # Apache-2.0/BSD
 sphinx>=1.6.2 # BSD
-openstackdocstheme>=1.16.0 # Apache-2.0
+openstackdocstheme>=1.17.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
-doc8 # Apache-2.0
+doc8>=0.6.0 # Apache-2.0
 reno>=2.5.0 # Apache-2.0