diff --git a/.gitignore b/.gitignore
index f10e67f..b176604 100644
--- a/.gitignore
+++ b/.gitignore
@@ -67,3 +67,5 @@
 /libcxx-12.0.0rc5.src.tar.xz.sig
 /libcxx-12.0.0.src.tar.xz.sig
 /libcxx-12.0.0.src.tar.xz
+/libcxx-12.0.1rc1.src.tar.xz
+/libcxx-12.0.1rc1.src.tar.xz.sig
diff --git a/libcxx.spec b/libcxx.spec
index 6ec537d..8885e67 100644
--- a/libcxx.spec
+++ b/libcxx.spec
@@ -1,18 +1,19 @@
 # If you need to bootstrap this, turn this on.
 # Otherwise, you have a loop with libcxxabi
 %global bootstrap 0
-#%%global rc_ver 5
+%global rc_ver 1
 
-%global libcxx_srcdir libcxx-%{version}%{?rc_ver:rc%{rc_ver}}.src
+%global libcxx_version 12.0.1
+%global libcxx_srcdir libcxx-%{libcxx_version}%{?rc_ver:rc%{rc_ver}}.src
 
 Name:		libcxx
-Version:	12.0.0%{?rc_ver:~rc%{rc_ver}}
+Version:	%{libcxx_version}%{?rc_ver:~rc%{rc_ver}}
 Release:	1%{?dist}
 Summary:	C++ standard library targeting C++11
 License:	MIT or NCSA
 URL:		http://libcxx.llvm.org/
-Source0:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}%{?rc_ver:-rc%{rc_ver}}/%{libcxx_srcdir}.tar.xz
-Source1:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}%{?rc_ver:-rc%{rc_ver}}/%{libcxx_srcdir}.tar.xz.sig
+Source0:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}%{?rc_ver:-rc%{rc_ver}}/%{libcxx_srcdir}.tar.xz
+Source1:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{libcxx_version}%{?rc_ver:-rc%{rc_ver}}/%{libcxx_srcdir}.tar.xz.sig
 Source2:	tstellar-gpg-key.asc
 
 Patch0:		0001-PATCH-libcxx-Remove-monorepo-requirement.patch
@@ -137,6 +138,9 @@ install -m 0644 src/include/* %{buildroot}%{_includedir}/libcxx-internal/
 
 
 %changelog
+* Thu Jun 03 2021 Tom Stellard <tstellar@redhat.com> - 12.0.1~rc1-1
+- 12.0.1-rc1 Release
+
 * Fri Apr 16 2021 Tom Stellard <tstellar@redhat.com> - 12.0.0-1
 - 12.0.0 Release
 
diff --git a/sources b/sources
index 5a40a31..5ab4349 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (libcxx-12.0.0.src.tar.xz.sig) = bdd8f43d68952b2875d6c15e1bb68f9c0ca25dee0b16b5b8cf52f4e660f34a6ededcd37f07c98434998f8a4e8da014a63efc5f9d6239e8a89b191550673c72e6
-SHA512 (libcxx-12.0.0.src.tar.xz) = d8038e73b4f26191516608799288f5418ccfb4552ffd767b08179f0dba2730f0d872b28bd3db9fe244e7177101b599aa251d28a496c734b22b3c053db187d88d
+SHA512 (libcxx-12.0.1rc1.src.tar.xz) = c8a61dec1dd6e9ed86518efc625cf5ca1462245ade70d58827d430327c8c8ed3206605766b3418ffb1afe4d9c2cc3af17d9fbc8e132b1f1f5c421eb76281ccbf
+SHA512 (libcxx-12.0.1rc1.src.tar.xz.sig) = 751f65b61406917c3e1116926e4390157ed42b07b0f19477a02eab14d896a2ba83a35c8fdf98177ed887ef7b17071fb8cca3b88eb69da25ec1fe2b73d04c2194