diff --git a/requirements-py3.txt b/requirements-py3.txt
index aa8bdf1480..d40a61a744 100644
--- a/requirements-py3.txt
+++ b/requirements-py3.txt
@@ -18,7 +18,7 @@ oslo.config>=1.4.0  # Apache-2.0
 oslo.db>=1.0.0  # Apache-2.0
 PasteDeploy>=1.5.0
 pbr>=0.6,!=0.7,<1.0
-pecan>=0.5.0
+pecan>=0.8.0
 posix_ipc
 oslo.messaging>=1.4.0
 oslo.middleware>=0.1.0                  # Apache-2.0
diff --git a/requirements.txt b/requirements.txt
index 7fc40a4f37..3dc0fcfc5b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ oslo.rootwrap>=1.3.0
 oslo.vmware>=0.6.0                      # Apache-2.0
 PasteDeploy>=1.5.0
 pbr>=0.6,!=0.7,<1.0
-pecan>=0.5.0
+pecan>=0.8.0
 posix_ipc
 oslo.messaging>=1.4.0
 oslo.middleware>=0.1.0                  # Apache-2.0
diff --git a/test-requirements-py3.txt b/test-requirements-py3.txt
index e70c91bb18..3086a2c9e0 100644
--- a/test-requirements-py3.txt
+++ b/test-requirements-py3.txt
@@ -22,4 +22,4 @@ sphinxcontrib-httpdomain
 sphinxcontrib-pecanwsme>=0.8
 testrepository>=0.0.18
 testscenarios>=0.4
-testtools>=0.9.34
+testtools>=0.9.36,!=1.2.0,!=1.4.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 287351eeb3..7689a43453 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -16,7 +16,7 @@ MySQL-python
 oslosphinx>=2.2.0  # Apache-2.0
 oslotest>=1.2.0  # Apache-2.0
 psycopg2
-pylint==0.25.2
+pylint>=1.3.0  # GNU GPL v2
 pymongo>=2.5
 python-subunit>=0.0.18
 sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
@@ -25,4 +25,4 @@ sphinxcontrib-httpdomain
 sphinxcontrib-pecanwsme>=0.8
 testrepository>=0.0.18
 testscenarios>=0.4
-testtools>=0.9.34
+testtools>=0.9.36,!=1.2.0,!=1.4.0