diff --git a/.gitignore b/.gitignore
index d53679e..16e6239 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@
 /libcxx-8.0.0rc3.src.tar.xz
 /libcxx-8.0.0rc4.src.tar.xz
 /libcxx-8.0.0.src.tar.xz
+/libcxx-9.0.0.src.tar.xz
diff --git a/libcxx.spec b/libcxx.spec
index bea3ae2..9925195 100644
--- a/libcxx.spec
+++ b/libcxx.spec
@@ -2,11 +2,13 @@
 # Otherwise, you have a loop with libcxxabi
 %global bootstrap 0
 #%%global rc_ver 4
+%global baserelease 1
+
 %global libcxx_srcdir libcxx-%{version}%{?rc_ver:rc%{rc_ver}}.src
 
 Name:		libcxx
-Version:	8.0.0
-Release:	1%{?rc_ver:.rc%{rc_ver}}%{?dist}.1
+Version:	9.0.0
+Release:	%{baserelease}%{?rc_ver:.rc%{rc_ver}}%{?dist}
 Summary:	C++ standard library targeting C++11
 License:	MIT or NCSA
 URL:		http://libcxx.llvm.org/
@@ -111,6 +113,9 @@ make install DESTDIR=%{buildroot}
 
 
 %changelog
+* Mon Sep 23 2019 Tom Stellard <tstellar@redhat.com> - 9.0.0-1
+- 9.0.0 Release
+
 * Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 8.0.0-1.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
 
diff --git a/sources b/sources
index f5b4368..0af6462 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libcxx-8.0.0.src.tar.xz) = 2e0fcd3e78f7e15ea894e52c51351daef8e3a2aaf53b3df7497b11403d28f5269ff49a4674bacea1d565a5faa2b24502caaaeff9cd48518f0d141563d8f9cc03
+SHA512 (libcxx-9.0.0.src.tar.xz) = cbaca724c4f3e3a270dfd53aac50cbb920190fe55486b164d52e73845819dd22afb10c23f5875da59d433fd5b96a0f153208746117309ac1267a38fa56f4818e