diff --git a/.gitignore b/.gitignore
index c2c710f..d2a3d80 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,4 @@
 /lit-15.0.1.tar.gz
 /lit-15.0.6.tar.gz
 /lit-15.0.7.tar.gz
+/lit-16.0.0rc4.tar.gz
diff --git a/python-lit.spec b/python-lit.spec
index b26373b..c436582 100644
--- a/python-lit.spec
+++ b/python-lit.spec
@@ -1,5 +1,5 @@
 %global lit_version 16.0.0
-%global rc_ver 3
+%global rc_ver 4
 #global post_ver 0
 
 %bcond_without check
@@ -57,6 +57,9 @@ sed -i -e '1{\@^#!/usr/bin/env python@d}' %{buildroot}%{python3_sitelib}/lit/*.p
 %{_bindir}/lit
 
 %changelog
+* Tue Mar 14 2023 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 16.0.0~rc4-1
+- Update to LLVM 16.0.0 RC4
+
 * Wed Feb 22 2023 Tulio Magno Quites Machado Filho <tuliom@redhat.com> - 16.0.0~rc3-1
 - Update to LLVM 16.0.0 RC3
 
diff --git a/sources b/sources
index 4cb2da5..49fbdd6 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
 SHA512 (lit-15.0.7.tar.gz) = 4aaf3676920158419070c8dcd0868967c2612a4248194bbf7c4b8c967e8b57d4ffdaf07156142b5aea276c3409e6a10bad1fb4a45bc6d4c905a24a69c27b1522
+SHA512 (lit-16.0.0rc4.tar.gz) = 84fff5b3cedf632da819142418801957d2b5aa640670c94991292af9e9f87f271527085f70388303a6c0c0e8f41881a53cb622f414276b96e2b63b6ae545decb