diff --git a/lower-constraints.txt b/lower-constraints.txt
index 439ceaa07c9..f671fa08af7 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -84,7 +84,7 @@ ovsdbapp==1.3.0
 Paste==2.0.2
 PasteDeploy==1.5.0
 pbr==4.0.0
-pecan==1.3.2
+pecan==1.4.0
 pika-pool==0.1.3
 pika==0.10.0
 positional==1.2.1
diff --git a/requirements.txt b/requirements.txt
index 045d5f92bc5..f476931b35a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Routes>=2.3.1 # MIT
 debtcollector>=1.19.0 # Apache-2.0
 decorator>=3.4.0 # BSD
 eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
-pecan>=1.3.2 # BSD
+pecan>=1.4.0 # BSD
 httplib2>=0.9.1 # MIT
 requests>=2.14.2 # Apache-2.0
 Jinja2>=2.10 # BSD License (3 clause)