diff --git a/.gitignore b/.gitignore
index 89e2bb3..afaa447 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,5 @@
 /v1.2.1.tar.gz
 /v1.2.1-nodocs.tar.gz
 /v1.3.1-nodocs.tar.gz
+/v1.4.0.tar.gz
+/v1.4.0-nodocs.tar.gz
diff --git a/python-waitress.spec b/python-waitress.spec
index 8af180e..ec734a4 100644
--- a/python-waitress.spec
+++ b/python-waitress.spec
@@ -3,16 +3,16 @@
 %global _docdir_fmt %{name}
 
 Name:           python-%{srcname}
-Version:        1.3.1
+Version:        1.4.0
 Release:        1%{?dist}
 Summary:        Waitress WSGI server
 
 License:        ZPLv2.1
 URL:            https://github.com/Pylons/%{srcname}
 Source0:        v%{version}-nodocs.tar.gz
-# Upstream ships non free docs files. 
+# Upstream ships non free docs files.
 # We do not even want them in our src.rpms
-# So we remove them before uploading. 
+# So we remove them before uploading.
 #
 # Download the upstream tarball and invoke this script while in the
 # tarball's directory:
@@ -55,7 +55,7 @@ Python 3 version.
 
 #check
 # disable checks for now as they fail trying to lookup localhost in koji.
-# 
+#
 
 %files -n python3-%{srcname}
 %license COPYRIGHT.txt LICENSE.txt
@@ -65,6 +65,9 @@ Python 3 version.
 %{python3_sitelib}/%{srcname}-*.egg-info/
 
 %changelog
+* Wed Dec 25 2019 Lorenzo Gil Sanchez <lorenzo.gil.sanchez@gmail.com> - 1.4.0-1
+- Update to 1.4.0 Fixes bug #1785591
+
 * Sun Oct 06 2019 Kevin Fenzi <kevin@scrye.com> - 1.3.1-1
 - Update to 1.3.1. Fixes bug #1747075
 
diff --git a/sources b/sources
index 4bad472..c560a5f 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
-SHA512 (v1.3.1-nodocs.tar.gz) = 366bc83632cf921bb2bc5f42ecbf4188edca3cb8fe36302827b74702c82e7f8352305c7c7017b6ced75f7c1a38655fbde96e6f3fcfc40e93fbaff3b273121564
+SHA512 (v1.4.0.tar.gz) = 129d2bf934dddc4da168ad18764b25ec1feddf957ca45d9b3de7a4a30bae3e1caf98c13ab6a0692edc8e2ddf787c02a1d407fdbbd033a05db7d679c5519b9b17
+SHA512 (v1.4.0-nodocs.tar.gz) = b22f049c2a3c6cdcdf33baff63353ed19bc67c2c3d181f50db76e588cdf1789140265aafe6314f84f273e34fd3e1e024313645f13ce21881e6f8ad0b167648b8
diff --git a/v1.4.0-nodocs.tar.gz b/v1.4.0-nodocs.tar.gz
new file mode 100644
index 0000000..b087b0e
Binary files /dev/null and b/v1.4.0-nodocs.tar.gz differ
diff --git a/v1.4.0.tar.gz b/v1.4.0.tar.gz
new file mode 100644
index 0000000..f96a938
Binary files /dev/null and b/v1.4.0.tar.gz differ