diff --git a/.gitignore b/.gitignore
index 5b5d37a..6b060e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /cryptography_vectors-1.3.1.tar.gz
+/cryptography_vectors-1.5.3.tar.gz
diff --git a/python-cryptography-vectors.spec b/python-cryptography-vectors.spec
index 93dfd3b..6e2bba9 100644
--- a/python-cryptography-vectors.spec
+++ b/python-cryptography-vectors.spec
@@ -2,14 +2,14 @@
 %global pymodname cryptography_vectors
 
 Name:               python-%{modname}
-Version:            1.3.1
-Release:            3%{?dist}
+Version:            1.5.3
+Release:            1%{?dist}
 Summary:            Test vectors for the cryptography package
 
 Group:              Development/Libraries
 License:            ASL 2.0 or BSD
 URL:                http://pypi.python.org/pypi/cryptography-vectors
-Source0:            https://pypi.python.org/packages/source/c/%{modname}/cryptography_vectors-%{version}.tar.gz
+Source0:            https://pypi.io/packages/source/c/%{modname}/cryptography_vectors-%{version}.tar.gz
 
 BuildArch:          noarch
 BuildRequires:      python2-devel python-setuptools
@@ -96,6 +96,10 @@ CFLAGS="$RPM_OPT_FLAGS" %{__python3} setup.py build
 
 
 %changelog
+* Mon Nov 07 2016 Nathaniel McCallum <npmccallum@redhat.com> - 1.5.3-1
+- Update to v1.5.3
+- Update source URL
+
 * Tue Jul 19 2016 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.3.1-3
 - https://fedoraproject.org/wiki/Changes/Automatic_Provides_for_Python_RPM_Packages
 
diff --git a/sources b/sources
index ad776ee..789af5f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-b464c99f79d186504370b4549cad0773  cryptography_vectors-1.3.1.tar.gz
+88692c939293f22001f102e7f5df3da5  cryptography_vectors-1.5.3.tar.gz