diff --git a/requirements.txt b/requirements.txt
index 724dff47..b3442468 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
-Paste # MIT
+Paste>=2.0.2 # MIT
 falcon>=1.0.0 # Apache-2.0
 keystonemiddleware>=4.17.0 # Apache-2.0
 oslo.config>=4.6.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 3a41f86a..230e649f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -15,7 +15,7 @@ os-testr>=1.0.0 # Apache-2.0
 simplejson>=3.5.1 # MIT
 
 # documentation
-doc8 # Apache-2.0
+doc8>=0.6.0 # Apache-2.0
 sphinx>=1.6.2 # BSD
 os-api-ref>=1.4.0 # Apache-2.0
 reno>=2.5.0 # Apache-2.0