diff --git a/.gitignore b/.gitignore
index accbf4e..1c4b32b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ mpmath-0.15.tar.gz
 /mpmath-docsrc-0.18.tar.gz
 /mpmath-docsrc-0.19.tar.gz
 /mpmath-0.19.tar.gz
+/python-mpmath-1.0.0.tar.gz
diff --git a/python-mpmath.spec b/python-mpmath.spec
index fdaea5a..8ea4b0e 100644
--- a/python-mpmath.spec
+++ b/python-mpmath.spec
@@ -5,18 +5,14 @@
 %endif
 
 Name:           python-mpmath
-Version:        0.19
-Release:        12%{?dist}
+Version:        1.0.0
+Release:        1%{?dist}
 Summary:        A pure Python library for multiprecision floating-point arithmetic
 Group:          Applications/Engineering
 License:        BSD
 URL:            http://mpmath.org
 # Source code
-Source0:        http://mpmath.org/files/mpmath-%{version}.tar.gz
-# Documentation
-Source1:        http://mpmath.org/files/mpmath-docsrc-%{version}.tar.gz
-# Patch for BZ #1127796
-Patch0:	        mpmath-polynomials.patch
+Source0:        https://github.com/fredrik-johansson/mpmath/archive/%{version}/%{name}-%{version}.tar.gz
 
 BuildArch:      noarch
 
@@ -79,8 +75,7 @@ This package contains the HTML documentation for %{name}.
 
 
 %prep
-%setup -q -n mpmath-%{version} -a 1
-%patch0 -p0 -b .polynomial
+%setup -q -n mpmath-%{version}
 # Convert line encodings
 for doc in LICENSE CHANGES PKG-INFO README.rst mpmath/tests/runtests.py; do
  sed "s|\r||g" $doc > $doc.new && \
@@ -136,6 +131,9 @@ python3 runtests.py
 %doc doc/build/*
 
 %changelog
+* Fri May 04 2018 Susi Lehtola <jussilehtola@fedoraproject.org> - 1.0.0-1
+- Update to 1.0.0.
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.19-12
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
 
@@ -168,7 +166,7 @@ python3 runtests.py
 * Thu Jun 18 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.19-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
 
-* Tue Dec 04 2014 Susi Lehtola <jussilehtola@fedoraproject.org> - 0.19-2
+* Thu Dec 04 2014 Susi Lehtola <jussilehtola@fedoraproject.org> - 0.19-2
 - Patch for BZ #1127796.
 
 * Tue Jun 24 2014 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 0.19-1
diff --git a/sources b/sources
index 139db0c..5f474a0 100644
--- a/sources
+++ b/sources
@@ -1,2 +1 @@
-ab3ea6f464662738e7f53f196806639a  mpmath-docsrc-0.19.tar.gz
-af5cc956b2673b33a25c3e57299bae7b  mpmath-0.19.tar.gz
+SHA512 (python-mpmath-1.0.0.tar.gz) = 5b73d7c04313158af0e5a720aec36e66ddbdd5ac20156d96ec4d7fc0992d60fda541b5240464dbb21be7af397a19d7abcd7ee9e20df2fb7c8e45b48707bbbc63