diff --git a/test-requirements.txt b/test-requirements.txt
index 2b53b7c..8c8f933 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 bashate>=0.5.1 # Apache-2.0
 flake8<2.6.0,>=2.5.4 # MIT
-pyasn1!=0.2.3 # BSD
+pyasn1!=0.2.3,>=0.1.8 # BSD
 pyOpenSSL>=16.2.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 ndg-httpsclient>=0.4.2;python_version<'3.0' # BSD
@@ -12,6 +12,6 @@ ndg-httpsclient>=0.4.2;python_version<'3.0' # BSD
 sphinx>=1.6.2 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 openstackdocstheme>=1.17.0 # Apache-2.0
-doc8 # Apache-2.0
+doc8>=0.6.0 # Apache-2.0
 reno>=2.5.0 # Apache-2.0
 sphinxmark>=0.1.14 # Apache-2.0