diff --git a/.gitignore b/.gitignore
index 1e9f8ac..dee5806 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,3 +42,5 @@
 /llvm-project-13.0.0rc3.src.tar.xz.sig
 /llvm-project-13.0.0.src.tar.xz
 /llvm-project-13.0.0.src.tar.xz.sig
+/llvm-project-13.0.1rc1.src.tar.xz
+/llvm-project-13.0.1rc1.src.tar.xz.sig
diff --git a/mlir.spec b/mlir.spec
index 4a67e97..9ea34b1 100644
--- a/mlir.spec
+++ b/mlir.spec
@@ -1,19 +1,19 @@
-#global rc_ver 3
+%global rc_ver 1
 %global maj_ver 13
 %global min_ver 0
-%global patch_ver 0
+%global patch_ver 1
 %global mlir_version %{maj_ver}.%{min_ver}.%{patch_ver}
 %global mlir_srcdir llvm-project-%{mlir_version}%{?rc_ver:rc%{rc_ver}}.src
 
 Name: mlir
 Version: %{mlir_version}%{?rc_ver:~rc%{rc_ver}}
-Release: 2%{?dist}
+Release: 1%{?dist}
 Summary: Multi-Level Intermediate Representation Overview
 
 License: ASL 2.0 with exceptions
 URL: http://mlir.llvm.org
-Source0: https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}%{?rc_ver:-rc%{rc_ver}}/%{mlir_srcdir}.tar.xz
-Source1: https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}%{?rc_ver:-rc%{rc_ver}}/%{mlir_srcdir}.tar.xz.sig
+Source0: https://github.com/llvm/llvm-project/releases/download/llvmorg-%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:-rc%{rc_ver}}/%{mlir_srcdir}.tar.xz
+Source1: https://github.com/llvm/llvm-project/releases/download/llvmorg-%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:-rc%{rc_ver}}/%{mlir_srcdir}.tar.xz.sig
 Source2: tstellar-gpg-key.asc
 
 #Patch0: 0001-PATCH-mlir-Support-building-MLIR-standalone.patch
@@ -109,6 +109,9 @@ export LD_LIBRARY_PATH=%{_builddir}/%{mlir_srcdir}/%{name}/%{_build}/%{_lib}
 %{_libdir}/cmake/mlir
 
 %changelog
+* Wed Jan 12 2022 Nikita Popov <npopov@redhat.com> - 13.0.1~rc1-1
+- Update to LLVM 13.0.1rc1
+
 * Wed Oct 06 2021 Tom Stellard <tstellar@redhat.com> - 13.0.0-2
 - Rebuild for llvm soname bump
 
diff --git a/sources b/sources
index 7803f08..9fedfeb 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (llvm-project-13.0.0.src.tar.xz) = 75dc3df8d1229c9dce05206e9a2cab36be334e0332fe5b2a7fc01657a012a630e19f2ade84139c0124865cff5d04952f8c6ef72550d74350e8c6bca0af537ad3
-SHA512 (llvm-project-13.0.0.src.tar.xz.sig) = 75a723071480686c41d876634369fa1423cd594cb2833f14c39b121b6fbb1e673bc2bed27eea0365c7522b075ca91d5285484c6748f8c1f73125939a47c1ca26
+SHA512 (llvm-project-13.0.1rc1.src.tar.xz) = 0de3f1201681296e147d67cd51f013fe193d3c96e831fae0f8e46c06d2d905baaf9ce33f1f750f14b01bd9fa2507ba2dcef36ab655bff263c303a9b6d2b126e7
+SHA512 (llvm-project-13.0.1rc1.src.tar.xz.sig) = dc38c355c52475508f56aac2b4e275cb28b83713c7d4991b0285a38c051ed5adc905b9b702e45dee952cae796ab3e90487dac230553955b72a2ad13cf0453a65