diff --git a/compiler-rt.spec b/compiler-rt.spec
index e4fabaa..9604d24 100644
--- a/compiler-rt.spec
+++ b/compiler-rt.spec
@@ -15,7 +15,7 @@
 %global maj_ver 17
 %global min_ver 0
 %global patch_ver 0
-%global rc_ver 3
+%global rc_ver 4
 %if %{with snapshot_build}
 %global maj_ver %{llvm_snapshot_version_major}
 %global min_ver %{llvm_snapshot_version_minor}
@@ -34,7 +34,7 @@
 
 Name:		compiler-rt
 Version:	%{compiler_rt_version}%{?rc_ver:~rc%{rc_ver}}%{?llvm_snapshot_version_suffix:~%{llvm_snapshot_version_suffix}}
-Release:	2%{?dist}
+Release:	1%{?dist}
 Summary:	LLVM "compiler-rt" runtime libraries
 
 License:	Apache-2.0 WITH LLVM-exception OR NCSA OR MIT
@@ -131,6 +131,9 @@ mv %{buildroot}%{_prefix}/lib/clang/%{maj_ver}/lib/powerpc64le-redhat-linux-gnu 
 %changelog
 %{?llvm_snapshot_changelog_entry}
 
+* Mon Sep 11 2023 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 17.0.0~rc4-1
+- Update to LLVM 17.0.0 RC4
+
 * Tue Aug 29 2023 Tom Stellard <tstellar@redhat.com> - 17.0.0~rc3-2
 - Fix FLOAT16 detection
 
diff --git a/sources b/sources
index 6b29f97..95e3bb1 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (compiler-rt-17.0.0rc3.src.tar.xz) = c65940c08248835a96e1548c413ea6e30c972a6a9c938ca3bd271d9c0c418279a4b76e08b473c7e6fdd9691ece9e0383f301a3b34f67830737e8eed0b91be8d5
-SHA512 (compiler-rt-17.0.0rc3.src.tar.xz.sig) = 3834b6fd8041935c799355b17aca0a16f113bc99d9e35b11bf64d47c0a5e838dd7ca1342c2efa2aa4f829805e53c0ec2aa1e0800a84f748a630010dac580695e
+SHA512 (compiler-rt-17.0.0rc4.src.tar.xz) = a6e21aeff74a867ccabb145ccacf39e5a63d32abdba2d967a6e6a8b99b664c7fd21d0eed1a22a667b5eb84aed9e9734b469a94e73965b6ab0ed296194dbdb077
+SHA512 (compiler-rt-17.0.0rc4.src.tar.xz.sig) = 1282aca4396cb635e2283b2f13797c740c74a5b68207b61ed09838cd4263079227e9aad47fc83533217390ba0565b6395590886fd9998e2cb390cad65c75f047