diff --git a/setup.py b/setup.py
index c2f286b0..96846d13 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
 
 setup(
     name="waitress",
-    version="1.3.1",
+    version="1.4.0",
     author="Zope Foundation and Contributors",
     author_email="zope-dev@zope.org",
     maintainer="Pylons Project",