diff --git a/libclc.spec b/libclc.spec
index 0bae6cf..93fc720 100644
--- a/libclc.spec
+++ b/libclc.spec
@@ -3,7 +3,7 @@
 
 %global shortname clc
 %global libclc_version 17.0.0
-%global rc_ver 3
+%global rc_ver 4
 %global libclc_srcdir libclc-%{libclc_version}%{?rc_ver:rc%{rc_ver}}.src
 
 Name:           libclc
@@ -96,6 +96,9 @@ export CFLAGS="%{build_cflags} -D__extern_always_inline=inline"
 %{_includedir}/%{shortname}
 
 %changelog
+* Mon Sep 11 2023 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 17.0.0~rc4-1
+- Update to LLVM 17.0.0 RC4
+
 * Fri Aug 25 2023 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 17.0.0~rc3-1
 - Update to LLVM 17.0.0 RC3
 
diff --git a/sources b/sources
index ac5a5e9..54d3a5e 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (libclc-17.0.0rc3.src.tar.xz) = b9876a6deea0a40c095e3716f6dc1bf1430bb7b252f063f2fd9bd1e3e60ec0a824638b17eeb6e0cb1c57fecf49f4f9dc8680a1b9fa1bc0b88c7d767c5bb1a616
-SHA512 (libclc-17.0.0rc3.src.tar.xz.sig) = 14f26bc25b7f4557ea41c66ed3c1215e7ca4a4b6497a6f24361d9a44aa1015a29bc3a5f5582b24d909fa4581198504d946edaf2d5d3d8a1ba6c3338be6148d9b
+SHA512 (libclc-17.0.0rc4.src.tar.xz) = 8279f6ba19350f68833659c00a2f31e90950c1958a69f1f408079bd9b94df53716c48135c65a1dc30b2bc56732cd24fa54a1c797252b1ac667f5098beb34bf1e
+SHA512 (libclc-17.0.0rc4.src.tar.xz.sig) = 4b27feca50e0b2b31fffa27c4ca296d4f58a1f217ba3240236e5207ed67a26ebee1b78d3dc9662c21e93517923f64c53f6c3eed6446698f252e6f4c653764c37