diff --git a/.gitignore b/.gitignore
index 7c724cf..4622c60 100644
--- a/.gitignore
+++ b/.gitignore
@@ -195,3 +195,7 @@
 /clang-13.0.0.src.tar.xz.sig
 /clang-tools-extra-13.0.0.src.tar.xz.sig
 /clang-tools-extra-13.0.0.src.tar.xz
+/clang-13.0.1rc1.src.tar.xz
+/clang-13.0.1rc1.src.tar.xz.sig
+/clang-tools-extra-13.0.1rc1.src.tar.xz
+/clang-tools-extra-13.0.1rc1.src.tar.xz.sig
diff --git a/clang.spec b/clang.spec
index 016f7e3..865a026 100644
--- a/clang.spec
+++ b/clang.spec
@@ -3,8 +3,8 @@
 
 %global maj_ver 13
 %global min_ver 0
-%global patch_ver 0
-#global rc_ver 4
+%global patch_ver 1
+%global rc_ver 1
 %global clang_version %{maj_ver}.%{min_ver}.%{patch_ver}
 
 %global clang_tools_binaries \
@@ -72,7 +72,7 @@
 
 Name:		%pkg_name
 Version:	%{clang_version}%{?rc_ver:~rc%{rc_ver}}
-Release:	5%{?dist}
+Release:	1%{?dist}
 Summary:	A C language family front-end for LLVM
 
 License:	NCSA
@@ -569,6 +569,9 @@ false
 
 %endif
 %changelog
+* Wed Jan 12 2022 Nikita Popov <npopov@redhat.com> - 13.0.1~rc1-1
+- Update to LLVM 13.0.1rc1
+
 * Thu Oct 28 2021 Tom Stellard <tstellar@redhat.com> - 13.0.0-5
 - Make lld the default linker on arm
 
diff --git a/sources b/sources
index 34e2706..6c2c4ab 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
-SHA512 (clang-13.0.0.src.tar.xz) = b9ae85a7f0a66ae42a6d76a4e1ea0940bf622f7fbd21d078c9fef146087c70abb0a597a1cfda4e8706b1fbc74d170986451f5f2d642f685a5c355da8a572fb26
-SHA512 (clang-13.0.0.src.tar.xz.sig) = 3341f4daec11898cde69c4c72c9bdd247dac38018c53963cc34e7e32372f4b66cfca86a59ff492c578e5e2761aaba159f3ef9904cb1f4f493b6d238d415de789
-SHA512 (clang-tools-extra-13.0.0.src.tar.xz.sig) = 4f61831ed46896c80d9de16fe446049092b14484b6d01e3943635e91d1cd4991057b740b7bb45679107234586c9ca72664c05ffd0595d8d311d710eca00ed640
-SHA512 (clang-tools-extra-13.0.0.src.tar.xz) = e8fc33441b6845984f3d1c947efb48f141700ebb4c146323d78eb6e28e36042f3d7179abfcfad2ec1c2c1a0bd3e5ef55ceda2c20fcc794b895cfe732fb095f2a
+SHA512 (clang-13.0.1rc1.src.tar.xz) = 71cdd12f1e0499190465521c96c12e87b959f74e87ff369ef5742060b188f3c9938ab813f7ed88169fd8490c7f8e78daea71e8e713966417fd1fc9cd898e8065
+SHA512 (clang-13.0.1rc1.src.tar.xz.sig) = e43634811da4864d5890b235134e683bd43240f9810f73233de7158882519092799fc123148a65d921ab936587a2139b271b8816e1d9bc87f3baa468afc86dd5
+SHA512 (clang-tools-extra-13.0.1rc1.src.tar.xz) = 88928867e37b38075d5886a7f490cf1f37399d0e0a9d9caa682d0ea90bc9c1edce3f47e535ec73526d89aba2315ebea9f6f15328c95e513434933f703647aaf0
+SHA512 (clang-tools-extra-13.0.1rc1.src.tar.xz.sig) = dd1ebeae95867305963f4e21512239e14baadbefa7afcf46b3dd37069dc65709dc95e14fda22878643e7f32eab04e31fc146cba0c14a23e4487b8c6eed28be84